Radionuclide Imaging
The production of an image obtained by cameras that detect the radioactive emissions of an injected radionuclide as it has distributed differentially throughout tissues in the body. The image obtained from a moving detector is called a scan, while the image obtained from a stationary camera device is called a scintiphotograph.
Radionuclide Angiography
Radioisotopes
Radionuclide Ventriculography
Technetium
The first artificially produced element and a radioactive fission product of URANIUM. Technetium has the atomic symbol Tc, atomic number 43, and atomic weight 98.91. All technetium isotopes are radioactive. Technetium 99m (m=metastable) which is the decay product of Molybdenum 99, has a half-life of about 6 hours and is used diagnostically as a radioactive imaging agent. Technetium 99 which is a decay product of technetium 99m, has a half-life of 210,000 years.
Radionuclide Generators
Cesium Radioisotopes
Water Pollutants, Radioactive
Sodium Pertechnetate Tc 99m
Strontium Radioisotopes
Gated Blood-Pool Imaging
Radionuclide ventriculography where scintigraphic data is acquired during repeated cardiac cycles at specific times in the cycle, using an electrocardiographic synchronizer or gating device. Analysis of right ventricular function is difficult with this technique; that is best evaluated by first-pass ventriculography (VENTRICULOGRAPHY, FIRST-PASS).
Radiometry
Radioactivity
Radiopharmaceuticals
Alpha Particles
Ventriculography, First-Pass
Radionuclide ventriculography where a bolus of radionuclide is injected and data are recorded from one pass through the heart ventricle. Left and right ventricular function can be analyzed independently during this technique. First-pass ventriculography is preferred over GATED BLOOD-POOL IMAGING for assessing right ventricular function.
Plutonium
Plutonium. A naturally radioactive element of the actinide metals series. It has the atomic symbol Pu, atomic number 94, and atomic weight 242. Plutonium is used as a nuclear fuel, to produce radioisotopes for research, in radionuclide batteries for pacemakers, and as the agent of fission in nuclear weapons.
Pentetic Acid
Radioimmunotherapy
Radiotherapy where cytotoxic radionuclides are linked to antibodies in order to deliver toxins directly to tumor targets. Therapy with targeted radiation rather than antibody-targeted toxins (IMMUNOTOXINS) has the advantage that adjacent tumor cells, which lack the appropriate antigenic determinants, can be destroyed by radiation cross-fire. Radioimmunotherapy is sometimes called targeted radiotherapy, but this latter term can also refer to radionuclides linked to non-immune molecules (see RADIOTHERAPY).
Indium Radioisotopes
Radiation Dosage
The amount of radiation energy that is deposited in a unit mass of material, such as tissues of plants or animal. In RADIOTHERAPY, radiation dosage is expressed in gray units (Gy). In RADIOLOGIC HEALTH, the dosage is expressed by the product of absorbed dose (Gy) and quality factor (a function of linear energy transfer), and is called radiation dose equivalent in sievert units (Sv).
Iodine Radioisotopes
Yttrium Radioisotopes
Radiation Monitoring
The observation, either continuously or at intervals, of the levels of radiation in a given area, generally for the purpose of assuring that they have not exceeded prescribed amounts or, in case of radiation already present in the area, assuring that the levels have returned to those meeting acceptable safety standards.
Gold Radioisotopes
Gallium Radioisotopes
Holmium
Astatine
Spectrometry, Gamma
Radioactive Fallout
Radioactive Pollutants
Stroke Volume
Radioactive Waste
Liquid, solid, or gaseous waste resulting from mining of radioactive ore, production of reactor fuel materials, reactor operation, processing of irradiated reactor fuels, and related operations, and from use of radioactive materials in research, industry, and medicine. (McGraw-Hill Dictionary of Scientific and Technical Terms, 4th ed)
Polonium
Lutetium
Tomography, Emission-Computed, Single-Photon
A method of computed tomography that uses radionuclides which emit a single photon of a given energy. The camera is rotated 180 or 360 degrees around the patient to capture images at multiple positions along the arc. The computer is then used to reconstruct the transaxial, sagittal, and coronal images from the 3-dimensional distribution of radionuclides in the organ. The advantages of SPECT are that it can be used to observe biochemical and physiological processes as well as size and volume of the organ. The disadvantage is that, unlike positron-emission tomography where the positron-electron annihilation results in the emission of 2 photons at 180 degrees from each other, SPECT requires physical collimation to line up the photons, which results in the loss of many available photons and hence degrades the image.
Actinium
Technetium Tc 99m Aggregated Albumin
Technetium Tc 99m Medronate
Thorium
Thorium. A radioactive element of the actinide series of metals. It has an atomic symbol Th, atomic number 90, and atomic weight 232.04. It is used as fuel in nuclear reactors to produce fissionable uranium isotopes. Because of its radioopacity, various thorium compounds are used to facilitate visualization in roentgenography.
Technetium Tc 99m Sulfur Colloid
Technetium Compounds
Organometallic Compounds
Potassium Radioisotopes
Radiobiology
Copper Radioisotopes
Heterocyclic Compounds, 1-Ring
Radioactive Hazard Release
Octreotide
Radioisotope Renography
Indium
Samarium
Gamma Cameras
Technetium Tc 99m Pentetate
Americium
Americium. A completely man-made radioactive actinide with atomic symbol Am, atomic number 95, and atomic weight 243. Its valence can range from +3 to +6. Because of its nonmagnetic ground state, it is an excellent superconductor. It is also used in bone mineral analysis and as a radiation source for radiotherapy.
Organotechnetium Compounds
Nuclear Medicine
Isotope Labeling
Fukushima Nuclear Accident
Radium
Radium. A radioactive element of the alkaline earth series of metals. It has the atomic symbol Ra, atomic number 88, and atomic weight 226. Radium is the product of the disintegration of uranium and is present in pitchblende and all ores containing uranium. It is used clinically as a source of beta and gamma-rays in radiotherapy, particularly BRACHYTHERAPY.
Nuclear Reactors
Devices containing fissionable material in sufficient quantity and so arranged as to be capable of maintaining a controlled, self-sustaining NUCLEAR FISSION chain reaction. They are also known as atomic piles, atomic reactors, fission reactors, and nuclear piles, although such names are deprecated. (McGraw-Hill Dictionary of Scientific and Technical Terms, 4th ed)
Dose-Response Relationship, Radiation
Body Burden
Tissue Distribution
Accumulation of a drug or chemical substance in various organs (including those not relevant to its pharmacologic or therapeutic action). This distribution depends on the blood flow or perfusion rate of the organ, the ability of the drug to penetrate organ membranes, tissue specificity, protein binding. The distribution is usually expressed as tissue to plasma ratios.
Neuroendocrine Tumors
Tumors whose cells possess secretory granules and originate from the neuroectoderm, i.e., the cells of the ectoblast or epiblast that program the neuroendocrine system. Common properties across most neuroendocrine tumors include ectopic hormone production (often via APUD CELLS), the presence of tumor-associated antigens, and isozyme composition.
3-Iodobenzylguanidine
A guanidine analog with specific affinity for tissues of the sympathetic nervous system and related tumors. The radiolabeled forms are used as antineoplastic agents and radioactive imaging agents. (Merck Index, 12th ed) MIBG serves as a neuron-blocking agent which has a strong affinity for, and retention in, the adrenal medulla and also inhibits ADP-ribosyltransferase.
Technetium Tc 99m Sestamibi
Cardiac Volume
Uranium
Positron-Emission Tomography
An imaging technique using compounds labelled with short-lived positron-emitting radionuclides (such as carbon-11, nitrogen-13, oxygen-15 and fluorine-18) to measure cell metabolism. It has been useful in study of soft tissues such as CANCER; CARDIOVASCULAR SYSTEM; and brain. SINGLE-PHOTON EMISSION-COMPUTED TOMOGRAPHY is closely related to positron emission tomography, but uses isotopes with longer half-lives and resolution is lower.
Relative Biological Effectiveness
19-Iodocholesterol
19-Iodocholest-5-en-3 beta-ol. A cholesterol derivative usually substituted with radioactive iodine in the 19 position. The compound is an adrenal cortex scanning agent used in the assessment of patients suspected of having Cushing's syndrome, hyperaldosteronism, pheochromocytoma and adrenal remnants following total adrenalectomy.
Ventricular Function, Left
Heart Ventricles
Radioimmunodetection
Technology, Radiologic
The application of scientific knowledge or technology to the field of radiology. The applications center mostly around x-ray or radioisotopes for diagnostic and therapeutic purposes but the technological applications of any radiation or radiologic procedure is within the scope of radiologic technology.
Electrons
Stable elementary particles having the smallest known negative charge, present in all elements; also called negatrons. Positively charged electrons are called positrons. The numbers, energies and arrangement of electrons around atomic nuclei determine the chemical identities of elements. Beams of electrons are called CATHODE RAYS.
Technetium Tc 99m Pyrophosphate
A radionuclide imaging agent used primarily in scintigraphy or tomography of the heart to evaluate the extent of the necrotic myocardial process. It has also been used in noninvasive tests for the distribution of organ involvement in different types of amyloidosis and for the evaluation of muscle necrosis in the extremities.
Tin Radioisotopes
Lead Radioisotopes
Receptors, Somatostatin
Cell surface proteins that bind somatostatin and trigger intracellular changes which influence the behavior of cells. Somatostatin is a hypothalamic hormone, a pancreatic hormone, and a central and peripheral neurotransmitter. Activated somatostatin receptors on pituitary cells inhibit the release of growth hormone; those on endocrine and gastrointestinal cells regulate the absorption and utilization of nutrients; and those on neurons mediate somatostatin's role as a neurotransmitter.
Thallium Radioisotopes
Micronesia
Exercise Test
Nuclear Fission
Tantalum
Coronary Disease
Neoplasms
Cobalt Radioisotopes
Cardiac Output
Chernobyl Nuclear Accident
Tomography, Emission-Computed
Ytterbium
Phantoms, Imaging
Devices or objects in various imaging techniques used to visualize or enhance visualization by simulating conditions encountered in the procedure. Phantoms are used very often in procedures employing or measuring x-irradiation or radioactive material to evaluate performance. Phantoms often have properties similar to human tissue. Water demonstrates absorbing properties similar to normal tissue, hence water-filled phantoms are used to map radiation levels. Phantoms are used also as teaching aids to simulate real conditions with x-ray or ultrasonic machines. (From Iturralde, Dictionary and Handbook of Nuclear Medicine and Clinical Imaging, 1990)
Tomography, X-Ray Computed
Particle Accelerators
Receptors, Peptide
Heart Diseases
Tin
Actinoid Series Elements
Prenalterol
Cerebrospinal Fluid Otorrhea
Discharge of cerebrospinal fluid through the external auditory meatus or through the eustachian tube into the nasopharynx. This is usually associated with CRANIOCEREBRAL TRAUMA (e.g., SKULL FRACTURE involving the TEMPORAL BONE;), NEUROSURGICAL PROCEDURES; or other conditions, but may rarely occur spontaneously. (From Am J Otol 1995 Nov;16(6):765-71)
Zinc Radioisotopes
Neoplasms, Radiation-Induced
Bronchopulmonary Sequestration
A developmental anomaly in which a mass of nonfunctioning lung tissue lacks normal connection with the tracheobroncheal tree and receives an anomalous blood supply originating from the descending thoracic or abdominal aorta. The mass may be extralobar, i.e., completely separated from normally connected lung, or intralobar, i.e., partly surrounded by normal lung.
Dye Dilution Technique
Cisterna Magna
Technetium Tc 99m Lidofenin
Scintillation Counting
Immunoconjugates
Combinations of diagnostic or therapeutic substances linked with specific immune substances such as IMMUNOGLOBULINS; MONOCLONAL ANTIBODIES; or ANTIGENS. Often the diagnostic or therapeutic substance is a radionuclide. These conjugates are useful tools for specific targeting of DRUGS and RADIOISOTOPES in the CHEMOTHERAPY and RADIOIMMUNOTHERAPY of certain cancers.
Nuclear Physics
Streptavidin
Elementary Particles
Models, Structural
Gallium
Ethmoid Bone
Cerebrospinal Fluid Rhinorrhea
Background Radiation
Krypton
Half-Life
Glomus Jugulare Tumor
A paraganglioma involving the glomus jugulare, a microscopic collection of chemoreceptor tissue in the adventitia of the bulb of the jugular vein. It may cause paralysis of the vocal cords, attacks of dizziness, blackouts, and nystagmus. It is not resectable but radiation therapy is effective. It regresses slowly, but permanent control is regularly achieved. (From Dorland, 27th ed; Stedman, 25th ed; DeVita Jr et al., Cancer: Principles & Practice of Oncology, 3d ed, pp1603-4)
Germanium
Evaluation Studies as Topic
Monte Carlo Method
In statistics, a technique for numerically approximating the solution of a mathematical problem by studying the distribution of some random variable, often generated by a computer. The name alludes to the randomness characteristic of the games of chance played at the gambling casinos in Monte Carlo. (From Random House Unabridged Dictionary, 2d ed, 1993)
Metabolic Clearance Rate
Ventricular Dysfunction, Left
A condition in which the LEFT VENTRICLE of the heart was functionally impaired. This condition usually leads to HEART FAILURE; MYOCARDIAL INFARCTION; and other cardiovascular complications. Diagnosis is made by measuring the diminished ejection fraction and a depressed level of motility of the left ventricular wall.
Spermatic Cord Torsion
The twisting of the SPERMATIC CORD due to an anatomical abnormality that left the TESTIS mobile and dangling in the SCROTUM. The initial effect of testicular torsion is obstruction of venous return. Depending on the duration and degree of cord rotation, testicular symptoms range from EDEMA to interrupted arterial flow and testicular pain. If blood flow to testis is absent for 4 to 6 h, SPERMATOGENESIS may be permanently lost.
Radiotherapy, Computer-Assisted
Iodohippuric Acid
Fast Neutrons
Brachytherapy
Chelating Agents
Drug Delivery Systems
Heart Aneurysm
A localized bulging or dilatation in the muscle wall of a heart (MYOCARDIUM), usually in the LEFT VENTRICLE. Blood-filled aneurysms are dangerous because they may burst. Fibrous aneurysms interfere with the heart function through the loss of contractility. True aneurysm is bound by the vessel wall or cardiac wall. False aneurysms are HEMATOMA caused by myocardial rupture.
Krypton Radioisotopes
Vesico-Ureteral Reflux
Sensitivity and Specificity
Echocardiography
Electrocardiography
Recording of the moment-to-moment electromotive forces of the HEART as projected onto various sites on the body's surface, delineated as a scalar function of time. The recording is monitored by a tracing on slow moving chart paper or by observing it on a cardioscope, which is a CATHODE RAY TUBE DISPLAY.
Physical Exertion
Reproducibility of Results
The statistical reproducibility of measurements (often in a clinical context), including the testing of instrumentation or techniques to obtain reproducible results. The concept includes reproducibility of physiological measurements, which may be used to develop rules to assess probability or prognosis, or response to a stimulus; reproducibility of occurrence of a condition; and reproducibility of experimental results.
Osmium
Image Processing, Computer-Assisted
Bone and Bones
Lanthanoid Series Elements
Tellurium
Technetium Tc 99m Disofenin
Myocardial Infarction
Radiotherapy Planning, Computer-Assisted
Antibodies, Bispecific
Antibodies, often monoclonal, in which the two antigen-binding sites are specific for separate ANTIGENIC DETERMINANTS. They are artificial antibodies produced by chemical crosslinking, fusion of HYBRIDOMA cells, or by molecular genetic techniques. They function as the main mediators of targeted cellular cytotoxicity and have been shown to be efficient in the targeting of drugs, toxins, radiolabeled haptens, and effector cells to diseased tissue, primarily tumors.
Phosphorus Radioisotopes
Decontamination
Infusions, Intralesional
Colloids
Two-phase systems in which one is uniformly dispersed in another as particles small enough so they cannot be filtered or will not settle out. The dispersing or continuous phase or medium envelops the particles of the discontinuous phase. All three states of matter can form colloids among each other.
Cardiac Catheterization
Ventricular Function, Right
beta-Aminoethyl Isothiourea
Sphenoid Bone
An irregular unpaired bone situated at the SKULL BASE and wedged between the frontal, temporal, and occipital bones (FRONTAL BONE; TEMPORAL BONE; OCCIPITAL BONE). Sphenoid bone consists of a median body and three pairs of processes resembling a bat with spread wings. The body is hollowed out in its inferior to form two large cavities (SPHENOID SINUS).
Mice, Nude
Iron Radioisotopes
Geological Phenomena
Molecular Imaging
Effect of intravenous dextran 70 and pneumatic leg compression on incidence of postoperative pulmonary embolism. (1/1315)
The incidence of pulmonary embolism and deep vein thrombosis was measured in 50 matched pairs of patients undergoing common surgical procedures with preoperative and postoperative ventilation-perfusion lung scans and the fibrinogen uptake test. One patient in each pair was treated with intravenous dextran 70 and pneumatic leggings. The incidence of pulmonary embolism among the treated patients was significantly reduced from 24% to 8%, but the incidence of deep vein thrombosis was not significantly reduced (34% to 24%). (+info)Rational sequence of tests for pancreatic function. (2/1315)
Of 144 patients with suspected pancreatic disease in whom a 75Se-selenomethionine scan was performed, endoscopic retrograde pancreatography (ERP) was successful in 108 (75%). The final diagnosis is known in 100 patients and has been compared with scan and ERP findings. A normal scan reliably indicated a normal pancreas, but the scan was falsely abnormal in 30%. ERP distinguished between carcinoma and chronic pancreatitis in 84% of cases but was falsely normal in five patients with pancreatic disease. In extrahepatic biliary disease both tests tended to give falsely abnormal results. A sequence of tests to provide a rapid and reliable assessment of pancreatic function should be a radio-isotope scan, followed by ERP if the results of the scan are abnormal, and a Lundh test if the scan is abnormal but the findings on ERP are normal. (+info)Bruits, ophthalmodynamometry and rectilinear scanning on transient ischemic attacks. (3/1315)
One hundred seventeen patients with clinical signs and symptoms of transient ischemic attacks (TIAs) were evaluated. All underwent clinical evaluation for bruit, ophthalmodynamometry, rapid sequence scintiphotography with rectilinear scanning and four-vessel cerebral angiography. The results of these tests were compared for reliability in predicting location of lesions causing transient ischemic attacks. Angiography remains the most accurate procedure in evaluating extracranial vascular lesions. When determination of bruits, ophthalmodynamometry and brain scanning are done together, accuracy is greater than when any one of the procedures is done alone. (+info)Gallium-67 scintigraphy and intraabdominal sepsis. Clinical experience in 140 patients with suspected intraabdominal abscess. (4/1315)
In 140 patients with suspected intraabdominal abscess, studies were made using gallium-67 citrate and technetium-99m labeled radiopharmaceuticals. Gallium-67 scintigrams correctly localized 52 of 56 intraabdominal abscesses confirmed at surgical operation or necropsy. In an additional 20 patients in whom findings on scintigrams were abnormal, there were clinically established infections. Sixty-one patients in whom findings on scintigrams were normal were conservatively managed and discharged from the hospital; none proved to have an abscess. Four false-negative and three false-positive studies were recorded. Gallium-67 scintigraphy is a useful noninvasive diagnostic adjunct that should be employed early in the evaluation of patients with suspected intraabdominal sepsis. (+info)Distribution of yttrium 90 ferric hydroxide colloid and gold 198 colloid after injection into knee. (5/1315)
Thirteen knees were injected with yttrium 90(90Y) ferric hydroxide colloid, and 12 with gold 198(198Au) colloid for treatment of persistent synovitis. Retention in the knee and uptake in lymph nodes and liver were measured by a quantitative scanning technique. There was no significant difference in the retention in the knee of the two different colloids. A tendency towards higher lymph node uptake was observed with 198Au compared with 90y. The inflammatory activity of the knee at the time of treatment may have influenced the subsequent lymph node uptake of 198Au, but not that of the 90Y, nor the overall leakage of either from the knee. 90Yferric hydroxide colloid was retained in the treated knee at least as well as other colloids which have been used for this purpose. (+info)Economics of myocardial perfusion imaging in Europe--the EMPIRE Study. (6/1315)
BACKGROUND: Physicians use myocardial perfusion imaging to a variable extent in patients presenting with possible coronary artery disease. There are few clinical data on the most cost-effective strategy although computer models predict that routine use of myocardial perfusion imaging is cost-effective. OBJECTIVES: To measure the cost-effectiveness of four diagnostic strategies in patients newly presenting with possible coronary artery disease, and to compare cost-effectiveness in centres that routinely use myocardial perfusion imaging with those that do not. METHODS: We have studied 396 patients presenting to eight hospitals for the diagnosis of coronary artery disease. The hospitals were regular users or non-users of myocardial perfusion imaging with one of each in four countries (France, Germany, Italy, United Kingdom). Information was gathered retrospectively on presentation, investigations, complications, and clinical management, and patients were followed-up for 2 years in order to assess outcome. Pre- and post-test probabilities of coronary artery disease were computed for diagnostic tests and each test was also assigned as diagnostic or part of management. Diagnostic strategies defined were: 1: Exercise electrocardiogram/coronary angiography, 2: exercise electrocardiogram/myocardial perfusion imaging/coronary angiography, 3: myocardial perfusion imaging/coronary angiography, 4: coronary angiography. Primary outcome measures were the cost and accuracy of diagnosis, the cost of subsequent management, and clinical outcome. Secondary measures included prognostic power, normal angiography rate, and rate of angiography not followed by revascularization. RESULTS: Mean diagnostic costs per patient were: strategy 1: 490 Pounds, 2: 409 Pounds, 3: 460 Pounds, 4: 1253 Pounds (P < 0.0001). Myocardial perfusion imaging users: 529 Pounds, non-users 667 Pounds (P = 0.006). Mean probability of the presence of coronary artery disease when the final clinical diagnosis was coronary artery disease present were, strategy 1: 0.85, 2: 0.82, 3: 0.97, 4: 1.0 (P < 0.0001), users 0.93, non-users 0.88 (P = 0.02), and when coronary artery disease was absent, 1: 0.26, 2: 0.22, 3: 0.16, 4: 0.0 (P < 0.0001), users 0.21, non-users 0.20 (P = ns). Total 2-year costs (coronary artery disease present/absent) were: strategy 1: 4453 Pounds/710 Pounds, 2: 3842 Pounds/478 Pounds, 3: 3768 Pounds/574 Pounds, 4: 5599 Pounds/1475 Pounds (P < 0.05/0.0001), users: 5563 Pounds/623 Pounds, non-users: 5428 Pounds/916 Pounds (P = ns/0.001). Prognostic power at diagnosis was higher (P < 0.0001) and normal coronary angiography rate lower (P = 0.07) in the scintigraphic centres and strategies. Numbers of soft and hard cardiac events over 2 years and final symptomatic status did not differ between strategy or centre. CONCLUSION: Investigative strategies using myocardial perfusion imaging are cheaper and equally effective when compared with strategies that do not use myocardial perfusion imaging, both for cost of diagnosis and for overall 2 year management costs. Two year patient outcome is the same. (+info)Incidence of deep vein thrombosis and leg oedema in patients with strokes. (7/1315)
In a series of 26 patients with strokes 13 had deep vein thrombosis (DVT) in the leg, demonstrated by fibrinogen scanning. In 10 patients the thrombosis was in the paralysed leg but the degree of paralysis was unrelated to the tendency to develop DVT, which usually occurred about the third day. Leg oedema in 10 patients was unrelated to the DVT. (+info)Combined liver-spleen-kidney scintigraphy and subsequent subtraction of the kidney scintiphotograph in the evaluation of displaced kidney. (8/1315)
The displacement of kidney was studied by using the combined liver-spleen-kidney scintigraphy and the subsequent subtraction of the kidney scintiphotograph to leave the liver-spleen scintiphotograph alone. A suprarenal mass was shown as cold spot between the liver and right kidney on the combined study. When the liver scintiphotograph and kidney scintiphotograph were over-lapped and the differential diagnosis was difficult, the subsequent subtraction of the kidney scintiphotograph was useful in the diagnosis of the enlarged liver. (+info)
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Functional magnetic resonance imaging
Radionuclide ventriculography. *Radionuclide angiography. *Radioisotope renography. *Sestamibi parathyroid scintigraphy. * ... In general, fMRI studies acquire both many functional images with fMRI and a structural image with MRI. The structural image is ... This could be either those sections of the image that repeat often in a spatial map (that is small clusters dotting the image ... This spiral imaging sequence acquires images faster than gradient-echo sequences, but needs more math transformations (and ...
Bone
Fogelman, Ignac; Gnanasegaran, Gopinath; Wall, Hans van der (3 January 2013). Radionuclide and Hybrid Bone Imaging. Springer. ... Bones are then often imaged, called radiography. This might include ultrasound X-ray, CT scan, MRI scan and other imaging such ... Radionuclide and hybrid bone imaging. Berlin: Springer. pp. 29-57. ISBN 978-3-642-02399-6. Bone histology photomicrographs. ... Radionuclide and Hybrid Bone Imaging. Springer. ISBN 978-3-642-02400-9. "Introduction to cell signaling (article)". Khan ...
Ignac Fogelman
2013: Radionuclide and Hybrid Bone Imaging, edited by Ignac Fogelman, Gopinath Gnanasegaran, Hans van der Wal. 2014: Atlas of ... 2012). Radionuclide and Hybrid Bone Imaging. doi:10.1007/978-3-642-02400-9. ISBN 978-3-642-02399-6. "Atlas of Clinical Nuclear ... He is known as the father of bone imaging by some researchers and academics. Fogelman obtained an MD degree at the Medicine ...
Toddler's fracture
De Boeck K, Van Eldere S, De Vos P, Mortelmans L, Casteels-Van Daele M (January 1991). "Radionuclide bone imaging in toddler's ... In some cases, an internal oblique radiography and radionuclide imaging can add information to anterior-posterior and lateral ... The initial radiographical images may be inconspicuous (a faint oblique line) and often even completely normal. After 1-2 weeks ...
John Mallard
"The 70th anniversary of automated radionuclide imaging". Eur J Nucl Med Mol Imaging 46, 2414-2417 (2019). doi.org/10.1007/ ... During the 1980s, Mallard discovered "spin warp imaging", a technique that could produce three-dimensional images unaffected by ... when imaging became standard on scanners, Mallard's team had originally developed the images in colour but had to transfer them ... When, in addition, we first attempt to image a new property such as proton magnetic resonance, there is bound to be difficulty ...
Gated SPECT
26 January 2008). "EANM/ESC guidelines for radionuclide imaging of cardiac function" (PDF). European Journal of Nuclear ... images shows the heart as it contracts over the interval from one R wave to the next. Gated myocardial perfusion imaging has ... When the acquisition is completed, the technician must process the images to create a data set which represents the volume of ... However, one is viewing an average of all collected heart beats over the image acquisition. Noise on the ECG, patient motion, ...
Cardiac stress test
"The role of radionuclide myocardial perfusion imaging for asymptomatic individuals". Journal of Nuclear Cardiology. 18 (1): 3- ... echocardiogram images are obtained. The two echocardiogram images are then compared to assess for any abnormalities in wall ... The images obtained are similar to the ones obtained during a full surface echocardiogram, commonly referred to as ... Alternatively a stress test may use an echocardiogram for ultrasonic imaging of the heart (in which case the test is called an ...
Radioimmunotherapy
... with alpha-particle emitting radionuclides. Q J Nucl Med Mol Imaging. 2004 Dec;48(4):289-96. ... Radioimmunotherapy uses an antibody labeled with a radionuclide to deliver cytotoxic radiation to a target cell.[1] In cancer ... Q J Nucl Med Mol Imaging. 2004 Dec;48(4):297-304. ...
Nuclear medicine
2D: Scintigraphy ("scint") is the use of internal radionuclides to create two-dimensional images. A nuclear medicine whole body ... The end result of the nuclear medicine imaging process is a "dataset" comprising one or more images. In multi-image datasets ... This practice is often referred to as image fusion or co-registration, for example SPECT/CT and PET/CT. The fusion imaging ... Practical Molecular Imaging and Radionuclide Therapies. Society of Nuclear Medicine. ISBN 978-0-9726478-8-5. Ell P, Gambhir S ( ...
Radioactive nanoparticle
"Radionuclides delivery systems for nuclear imaging and radiotherapy of cancer". Advanced Drug Delivery Reviews. 60 (12): 1329- ... Nuclear imaging is non-invasive and has high sensitivity, and nanoparticles are useful as a platform for combining multiple ... There may also be hazards from associated processes such as strong magnetic fields and cryogens used in imaging equipment, and ... The main source of naturally occurring nanomaterials containing radionuclides is the decay of radon gas, whose immediate decay ...
Lymphogram
Lymph nodes can also be detected via radionuclide imaging after injection of radioactive colloids. Macrophages phagocytose ... 2018-01-01), "Lymphography", Diagnostic Imaging: Interventional Procedures (Second Edition), Diagnostic Imaging, Elsevier, pp. ... 2018-01-01), "Thoracic Duct Embolization", Diagnostic Imaging: Interventional Procedures (Second Edition), Diagnostic Imaging, ... The x-ray film or image of the lymphatic vessels and lymph nodes is called a lymphogram or a lymphangiogram. Radiographs can be ...
Tachycardia-induced cardiomyopathy
... echocardiography Radionuclide imaging Endomyocardial biopsy Cardiac magnetic resonance imaging (CMR) N-terminal pro-B-type ... Radionuclide imaging can be used as a non-invasive test to detect myocardial ischemia. Cardiac MRI has also been used to ...
Nuclear Medicine Communications
The journal publishes studies based on radionuclide imaging for basic, preclinical, and clinical research. Areas of interest ... and medical imaging scientific studies. It has an International Standard Serial Number (ISSN) 0143-3636, and an online ISSN ...
Harvey Berger
"Comparison of exercise radionuclide angiocardiography and thallium-201 myocardial perfusion imaging in coronary artery disease ... He and other colleagues at Emory collaborated on the development of new quantitative techniques for cardiac SPECT imaging. ... imaging, supported by General Electric Medical Systems. ...
Gallium scan
Love, C; Palestro, CJ (June 2004). "Radionuclide imaging of infection". Journal of Nuclear Medicine Technology. 32 (2): 47-57, ... Each set of images takes 30-60 minutes, depending on the size of the area being imaged. The resulting image will have bright ... Single photon emission computed tomography (SPECT) images may also be acquired. In some imaging centers, SPECT images may be ... The gamma emission of gallium 67 is imaged by a gamma camera, while the positron emission of gallium 68 is imaged by positron ...
Overscreening
"ACCF/ASNC/ACR/AHA/ASE/SCCT/SCMR/SNM 2009 Appropriate Use Criteria for Cardiac Radionuclide Imaging". Journal of the American ... Imaging; Society for Cardiovascular Angiography and, Interventions; Society for Cardiovascular Magnetic, Resonance; Kramer, CM ... a scientific statement from the American Heart Association Committee on Cardiovascular Imaging and Intervention, Council on ... the North American Society for Cardiovascular Imaging, the Society for Cardiovascular Angiography and Interventions, and the ...
Myocardial infarction diagnosis
Imaging tests such as stress radionuclide myocardial perfusion imaging or stress echocardiography can confirm a diagnosis when ... "ACCF/ASNC/ACR/AHA/ASE/SCCT/SCMR/SNM 2009 Appropriate Use Criteria for Cardiac Radionuclide Imaging". Journal of the American ... It should be determined if a person is at high risk for myocardial infarction before conducting imaging tests to make a ... People who have a normal ECG and who are able to exercise, for example, do not merit routine imaging. ...
Cardiac marker
"ACCF/ASNC/ACR/AHA/ASE/SCCT/SCMR/SNM 2009 Appropriate Use Criteria for Cardiac Radionuclide Imaging". Journal of the American ... Whereas cardiac imaging often confirms a diagnosis, simpler and less expensive cardiac biomarker measurements can advise a ...
Bone scintigraphy
Radionuclide and hybrid bone imaging. Berlin: Springer. p. 345. doi:10.1007/978-3-642-02400-9_12. ISBN 978-3-642-02399-6. ... In the 1950s and 1960s calcium-45 was investigated, but as a beta emitter proved difficult to image. Imaging of positron and ... In a single phase protocol (skeletal imaging alone), which will primarily highlight osteoblasts, images are usually acquired 2- ... Although bone scintigraphy generally refers to gamma camera imaging of 99mTc radiopharmaceuticals, imaging with positron ...
Nanogel
... s composed of dextran have been developed for imaging tumor-associated macrophages with radionuclides and targeting the ... Potential applications of nanogels include drug delivery agents, contrast agents for medical imaging or 19F MRI tracers, ... "89Zr-Labeled Dextran Nanoparticles Allow in Vivo Macrophage Imaging". Bioconjugate Chemistry. 22 (12): 2383-9. doi:10.1021/ ... "Nanogel-quantum dot hybrid nanoparticles for live cell imaging". Biochemical and Biophysical Research Communications. 331 (4): ...
Splenosis
J. N. Yammine, A. Yatim, A. Barbari: Radionuclide imaging in thoracic splenosis and a review of the literature.. ... This can be clarified through diagnostic imaging (for example, ultrasound, CT scan, and MRI). In particular, splenosis is ...
Regadenoson
It produces hyperemia quickly and maintains it for a duration that is useful for radionuclide myocardial perfusion imaging. The ...
Sodium pertechnetate
... and scintigraphic and emission tomographic imaging. The gamma radiation emitted by the radionuclide allows organs to be imaged ... Na[99mTcO4] is a precursor to a variety of derivatives that are used to image different parts of the body. [TcO4]− is the ... If there is a high activity in organs adjacent to the one under investigation, the image of the target organ can be obscured. ... is focused on sections or planes in order to image the spatial distribution of the 99mTc. 99mTc is used primarily in the study ...
Osteonecrosis of the jaw
The limitations apply to all imaging modalities, including plain radiography, radionuclide studies, CT scans, and magnetic ... Auto fluorescence image of post-radiation maxillary bone osteonecrosis in a 64-year-old patient - Case Report Aleksandra ... It is certainly not visible clinically and routine imaging techniques such as radiographs are not effective for that sort of ... with the help of various imaging modalities, can be achieved earlier in most patients. In the modern dental profession, it is ...
Enchondroma
... radionuclide bone scan - a nuclear imaging method to evaluate any degenerative and/or arthritic changes in the joints; to ... a diagnostic imaging procedure that uses a combination of x-rays and computer technology to produce cross-sectional images ( ... A CT scan shows detailed images of any part of the body, including the bones, muscles, fat, and organs. CT scans are more ... magnetic resonance imaging (MRI) - a diagnostic procedure that uses a combination of large magnets, radiofrequencies, and a ...
Transconvolution
In particular this allows to use differing radionuclides for calibration as opposed to the subsequent imaging. T. Weitzel, F. ... Different imaging systems with different PSFs therefore provide slightly different images of one and the same object. Starting ... The method thus supports quantitative comparisons of images taken by different imaging systems and in particular by different ... Properties of an image such as the spatial resolution or the appearance of small objects are determined by the PSF of the ...
Technetium-99m
In cardiac ventriculography, a radionuclide, usually 99mTc, is injected, and the heart is imaged to evaluate the flow through ... Myocardial perfusion imaging (MPI) is a form of functional cardiac imaging, used for the diagnosis of ischemic heart disease. ... 99mTc sestamibi is used for myocardial perfusion imaging, which shows how well the blood flows through the heart. Imaging to ... Radionuclide Imaging Last full review/revision May 2009 by Michael J. Shea, MD. Content last modified May 2009 Gershenwald, J. ...
Testicular torsion
Initially it provides a radionuclide angiogram, followed by a static image after the radionuclide has perfused the tissue. In ... Radionuclide scanning (scintigraphy) of the scrotum is the most accurate imaging technique, but it is not routinely available, ... and delayed images show uniformly symmetric activity. In testicular torsion, the images may show heterogenous activity within ... However, imaging should not delay surgical intervention as complications develop with prolonged ischemia. Immediate surgery is ...
Perfusion scanning
Diagnosis is made by comparing stress images to a further set of images obtained at rest. As the radionuclide redistributes ... Initially it provides a radionuclide angiogram, followed by a static image after the radionuclide has perfused the tissue. In ... if stress imaging is normal, it is unnecessary to perform rest imaging, as it too will be normal - thus stress imaging is ... Radionuclide scanning of the scrotum is the most accurate imaging technique to diagnose testicular torsion, but it is not ...
Positron emission tomography
Small animal imagingEdit. PET technology for small animal imaging: A miniature PE tomograph has been constructed that is small ... Radionuclides used in PET scanning are typically isotopes with short half-lives[3] such as carbon-11 (~20 min), nitrogen-13 (~ ... PET imaging is best performed using a dedicated PET scanner. It is also possible to acquire PET images using a conventional ... Musculo-skeletal imagingEdit. Musculoskeletal imaging: PET has been shown to be a feasible technique for studying skeletal ...
Medicine
Diagnostic radiology is concerned with imaging of the body, e.g. by x-rays, x-ray computed tomography, ultrasonography, and ... and a radionuclide (usually either a gamma-emitter or a positron emitter). There is a degree of overlap between nuclear ... The treatment plan may include ordering additional medical laboratory tests and medical imaging studies, starting therapy, ... Interventional radiologists can access areas in the body under imaging for an intervention or diagnostic sampling. ...
Radiography
Image quality[edit]. Image quality will depend on resolution and density. Resolution is the ability an image to show closely ... Radionuclide ventriculography. *Radionuclide angiography. *Radioisotope renography. *Sestamibi parathyroid scintigraphy. * ... It is not used for bone imaging, as the image quality is not good enough to make an accurate diagnostic image for fractures, ... Other medical imaging[edit]. Although not technically radiographic techniques due to not using X-rays, imaging modalities such ...
Holocene extinction
Text and images are available under a Creative Commons Attribution 4.0 International License. ... the global distribution of radionuclides, organic pollutants and mercury, and ecosystem disturbances of terrestrial and marine ...
Alkali metal
"Radionuclide Half-Life Measurements". Retrieved 7 November 2011.. *^ Radioisotope Brief: Cesium-137 (Cs-137). U.S. National ... visible in Argentina image). ... Radionuclide and Radiation Protection Data Handbook 2002 (2nd ...
Computed tomography laser mammography
... (CTLM) is the trademark of Imaging Diagnostic Systems, Inc. (IDSI, United States) for its ... Radionuclide ventriculography. *Radionuclide angiography. *Radioisotope renography. *Sestamibi parathyroid scintigraphy. * ... This medical imaging technique uses laser energy in the near infrared region of the spectrum, to detect angiogenesis in the ... CTLM images show hemoglobin distribution in a tissue and can detect areas of Angiogenesis surrounding malignant tumors, that ...
Outline of brain mapping
Imaging and recording systemsEdit. This section covers imaging and recording systems. The general section covers history, ... Positron-emitting radionuclide (tracer). See Positron emission tomography. *Altanserin a compound that binds to a serotonin ... Functional magnetic resonance imaging (fMRI). *Medical image computing (brain research of leads medical and surgical uses of ... Positron emission tomography (PET) a nuclear medical imaging technique that produces a three-dimensional image or picture of ...
Radiation therapy
The advent of new imaging technologies, including magnetic resonance imaging (MRI) in the 1970s and positron emission ... peptide receptor radionuclide therapy). ... More recently other forms of imaging are used including MRI, ... real-time imaging combined with real-time adjustment of the therapeutic beams. This new technology is called image-guided ... This is because physicians must manually delineate the tumors one CT image at a time through the entire disease site which can ...
Angioscopy
Medical imaging. Angiography. *Digital subtraction angiography *Cerebral angiography. *Aortography. *Fluorescein angiography. * ...
超声造影成像 - 维基百科,自由的百科
Whole body imaging(英语:Whole body imaging) *Full-body CT scan(英语:Full-body CT scan) ... Radionuclide ventriculography(英语:Radionuclide ventriculography). *Radionuclide angiography(英语:Radionuclide angiography) ... 光学(英语:Optical imaging)激光. *Optical tomography(英语:Optical tomography) *光学相干断层扫描 ... MRI of the brain(英语:Magnetic resonance imaging of the
Cholescintigraphy
The image produced by this type of medical imaging, called a cholescintigram, is also known by other names depending on which ... Most radiotracers for cholescintigraphy are metal complexes of iminodiacetic acid (IDA) with a radionuclide, usually technetium ... L. Santiago Medina; C. Craig Blackmore; Kimberly Applegate (29 April 2011). Evidence-Based Imaging: Improving the Quality of ... Cholescintigraphic scans are not generally a first-line form of imaging owing to their increased cost and invasiveness.[3] ...
Iodine-131
Two images are seen of the same patient from front and back. The image of the thyroid in the neck is due to unwanted uptake of ... Irradiation of natural tellurium produces almost entirely 131I as the only radionuclide with a half-life longer than hours, ... Very small medical imaging doses of 131I have not shown any increase in thyroid cancer. The low-cost availability of 131I, in ... A pheochromocytoma tumor is seen as a dark sphere in the center of the body (it is in the left adrenal gland). The image is by ...
Sunlight
... using sunspots for the past 400 years or cosmogenic radionuclides for going back 10,000 years. Such reconstructions have been ... This photo of a Martian sunset was imaged by Mars Pathfinder.. Different bodies of the Solar System receive light of an ...
Retrograde urethrogram
A retrograde urethrogram is a routine radiologic procedure (most typically in males) used to image the integrity of the urethra ... Radionuclide ventriculography. *Radionuclide angiography. *Radioisotope renography. *Sestamibi parathyroid scintigraphy. * ... Medical imaging (ICD-9-CM V3 87-88, ICD-10-PCS B, CPT 70010-79999) ...
ഫലകം:Cardiac procedures - വിക്കിപീഡിയ
Myocardial perfusion imaging. Cardiovascular MRI. Ventriculography Radionuclide ventriculography. Cardiac catheterization/ ...
Confocal microscopy
... allowing faster image acquisition: four images per second with 512 lines each. Hugely magnified intermediate images, due to a 1 ... Radionuclide ventriculography. *Radionuclide angiography. *Radioisotope renography. *Sestamibi parathyroid scintigraphy. * ... The Development of a Modern Microscopy". Imaging & Microscopy.. online. *^ a b c Barry R. Masters: Confocal Microscopy And ... C.J.R. Sheppard, A. Choudhury: Image Formation in the Scanning Microscope. In: Optica Acta: International Journal of Optics. 24 ...
Three Mile Island accident
Very low levels of radionuclides could be attributed to releases from the accident. Comprehensive investigations and ... Pages using deprecated image syntax. *All articles with unsourced statements. *Articles with unsourced statements from March ...
Radiation protection
"Image Gently". www.imagegently.org. Alliance for Radiation Safety in Pediatric Imaging (the Image Gently Alliance). Retrieved ... those in laboratories using radionuclides, and HAZMAT teams are required to wear dosimeters so a record of occupational ... "An Appeal for Safe and Appropriate Imaging of Children". Journal of Patient Safety. 10 (3): 121-124. doi:10.1097/pts. ... "Review on the characteristics of radiation detectors for dosimetry and imaging". Physics in Medicine and Biology. 59 (20): ...
Radiocarbon dating
Tuniz, C.; Zoppi, U.; Barbetti, M. (2004). "Radionuclide dating in archaeology by accelerator mass spectrometry". In Martini, M ... a piece of linen cloth thought by some to bear an image of Jesus Christ after his crucifixion. Three separate laboratories ... Šilar, Jan (2004). "Application of environmental radionuclides in radiochronology: Radiocarbon". In Tykva, Richard; Berg, ...
Single-photon emission computed tomography
Emissions from the radionuclide indicate amounts of blood flow in the capillaries of the imaged regions. In the same way that a ... Main article: Myocardial perfusion imaging. Myocardial perfusion imaging (MPI) is a form of functional cardiac imaging, used ... tumor imaging, infection (leukocyte) imaging, thyroid imaging or bone scintigraphy. ... SPECT imaging is performed by using a gamma camera to acquire multiple 2-D images (also called projections), from multiple ...
Upper gastrointestinal series
... magnetic resonance imaging, ultrasound imaging, endoscopy and capsule endoscopy,[7] barium contrast imaging remains in common ... Radionuclide ventriculography. *Radionuclide angiography. *Radioisotope renography. *Sestamibi parathyroid scintigraphy. * ... providing better imaging conditions and in this case the procedure is called double-contrast imaging.[9] ... Types of barium-contrast imaging[edit]. Barium meal examination showing the stomach and duodenum in double contrast technique ...
p-nuclei
The long-lived radionuclides 92Nb, 97Tc, 98Tc and 146Sm are not among the classically defined p-nuclei as they no longer occur ... Katzman Automatic Imaging Telescope. *Monte Agliale Supernovae and Asteroid Survey. *Nearby Supernova Factory ... If there is a high proton density in the stellar plasma, even short-lived radionuclides can capture one or more protons before ... long-lived radionuclide; not a classical p-nucleus but cannot be made in s- and r-processes ...
ਸੀਜ਼ੀਅਮ - ਵਿਕੀਪੀਡੀਆ, ਇਕ ਅਜ਼ਾਦ ਵਿਸ਼ਵਗਿਆਨਕੋਸ਼
"NIST Radionuclide Half-Life Measurements"". Retrieved 2011-03-13.. *↑ "WebElements Periodic Table of the Elements". University ... Infobox element missing image. *ਰਸਾਇਣਕ ਤੱਤ. *ਸੀਜ਼ੀਅਮ. ਲੁਕਵੀਂ ਸ਼੍ਰੇਣੀ: *Pages with reference errors ...
Brain death
Also, a radionuclide cerebral blood flow scan that shows complete absence of intracranial blood flow must be considered with ... In particular, there must be definite clinical or neuro-imaging evidence of acute brain pathology (e.g. traumatic brain injury ... Radionuclide scan: No intracranial blood flow. The "hot-nose" sign is shown. ...
Gamma spectroscopy
Radioactive nuclei (radionuclides) commonly emit gamma rays in the energy range from a few keV to ~10 MeV, corresponding to the ... Hyperspectral imaging. *Inelastic electron tunneling spectroscopy. *Inelastic neutron scattering. *Laser-Induced Breakdown ...
Thorium
The decay products of 232Th include more dangerous radionuclides such as radium and radon. Although relatively little of those ... Toward Flexible Radiotherapy and Imaging Platforms". Inorganic Chemistry. 55 (22): 11930-11936. doi:10.1021/acs.inorgchem. ... the other major contributors are the shorter-lived primordial radionuclides, which are 238U, 40K, and 235U in descending order ...
Silver
... so that the initial black-and-white silver image couples with a different dye component. The original silver images are ... Russell, Sara S.; Gounelle, Matthieu; Hutchison, Robert (2001). "Origin of Short-Lived Radionuclides". Philosophical ... 7), and in the presence of potassium bromide (KBr). These compounds are used in photography to bleach silver images, converting ... them to silver bromide that can either be fixed with thiosulfate or redeveloped to intensify the original image. Silver forms ...
Geology
... seismologists have been able to create detailed images of wave speeds inside the earth in the same way a doctor images a body ... Optically stimulated luminescence and cosmogenic radionuclide dating are used to date surfaces and/or erosion rates. ... These images have led to a much more detailed view of the interior of the Earth, and have replaced the simplified layered model ... Seismologists can use the arrival times of seismic waves in reverse to image the interior of the Earth. Early advances in this ...
真菌 - 维基百科,自由的百科全书
See image 2. *^ Ward PD, Botha J, Buick R, De Kock MO, Erwin DH, Garrison GH, Kirschvink JL, Smith R. Abrupt and gradual ... Geomycology: biogeochemical transformations of rocks, minerals, metals and radionuclides by fungi, bioweathering and ...
Low Yield Nuclear Test - Tragic Accident version 2
Here is a slightly more enhanced image. Look carefully at the bottom right corner of the image. There is damage to the image, ... Atmospheric tests spew radionuclides into the atmosphere. The US would have pounced on any sign of Soviet cheating, as ... Only the top half of the tent is in the image. There is more damage to the image on the left hand side, but you can see the ... Although the image seems damaged, you can see the darker tent as you move from right to left along the bottom of the image. ...
NETC.com - View topic - Radiation is here! So what can we do??
Alpha emissions are generally associated with naturally occurring radionuclides, whereas beta emissions are generally ... When it comes to the average person who knows virtually nothing about these problems this subject tends to invoke the images of ... associated with artificial radionuclides.. Really? Ever heard of Plutonium? Americium? Strontium? really? phew... scary stuff. ...
PerfusionSPECTAngiographyScintigraphyPersonalized radionuclide therapyDiagnosisUltrasoundMolecularRadiationIschemiaModalityRadiologyPeptideCardiovascularABSTRACTUptakeEchocardiographyGammaDosimetryNoninvasiveMagneticTechnetiumBiodistributionEmittersEvaluationMetastasesRadiographyTomographyMusculoskeletal infectionRadiopharmaceuticalsPositron emission tomographicTechniquesLeukocyteTracerTracersAngiographicTomographicModalitiesScan2016Cardiac innervationTherapy of prostate cancerAssessment177LuOsteomyelitisUltrasonographyHybrid Bone ImagingPatientsVivo1997Melanoma
Perfusion20
- The three-phase bone scan consists of the flow or perfusion phase, acquired immediately after tracer injection, followed immediately by an image of the region of interest, the blood pool or soft-tissue phase. (scielo.br)
- 123 I- m IBG imaging is frequently accompanied by rest perfusion imaging at another time to relate regional adrenergic function to perfusion. (acc.org)
- Levsky JM, Travin MI, Haramati LB. Coronary Computed Tomography Angiography Versus Radionuclide Myocardial Perfusion Imaging. (annals.org)
- In this single-center randomized, controlled comparative effectiveness trial, 400 intermediate-risk patients (63% women, 54% Hispanic, 37% African-American) admitted to a telemetry floor were randomized to either CCTA or myocardial perfusion imaging (MPI) and followed for 40 months. (bmj.com)
- Abnormal perfusion images may be observed in balanced ischaemia cases with triple vessel disease and also in cases with insufficient stress test (7). (tsnmjournals.org)
- LVEF ≥ 70%) on stress radionuclide myocardial perfusion imaging (RNMPI), are more likely to have features of diastolic dysfunction on transthoracic echocardiography. (scipedia.com)
- Among these, patients who had no evidence of reversible ischemia and had hyperdynamic left ventricle on perfusion imaging, were selected and their recent echocardiograms were reviewed for evidence of diastolic dysfunction. (scipedia.com)
- Hamad, EA & Travin, MI 2012, ' The Complementary Roles of Radionuclide Myocardial Perfusion Imaging and Cardiac Computed Tomography ', Seminars in Roentgenology , vol. 47, no. 3, pp. 228-239. (elsevier.com)
- The prevalence of ischemia in 522 patients randomized to stress testing was assessed by adenosine technetium-99m sestamibi single-photon emission-computed tomography myocardial perfusion imaging. (diabetesjournals.org)
- The Detection of Ischemia in Asymptomatic Diabetics (DIAD) study was designed to determine the prevalence and severity of inducible myocardial ischemia in asymptomatic patients with type 2 diabetes, using adenosine-stress single-photon emission-computed tomography (SPECT) myocardial perfusion imaging as well as clinical and laboratory predictors of abnormal test results. (diabetesjournals.org)
- CT myocardial perfusion imaging is an emerging diagnostic modality that is under intensive study but not yet widely used in clinical practice. (elsevier.com)
- The purpose of this study is to evaluate the performance of resting 64-MDCT in revealing ischemia identified on radionuclide myocardial perfusion imaging (MPI). (elsevier.com)
- The purpose of this study was to determine the long-term risk of subsequent cardiovascular events in patients with an intermediate-risk treadmill score who do not have myocardial perfusion defects on radionuclide imaging. (elsevier.com)
- A total of 4649 patients were identified who had intermediate-risk Duke treadmill scores (- 10 to 4), normal or near- normal exercise single photon-emission computed tomographic myocardial perfusion images using either thallium-201 or technetium-99m sestamibi, and no previous coronary revascularization. (elsevier.com)
- Conclusions - Patients with an intermediate-risk treadmill score but with normal or near-normal exercise myocardial perfusion images and normal cardiac sizes are at low risk for subsequent cardiac death and can be safely managed medically until their symptoms warrant revascularization. (elsevier.com)
- Due to a tremendous increase in imaging usage in the last decades, in particular of myocardial perfusion imaging with radionuclide tracers, significant concerns have been recently raised on the possible harmful effect of the exposure of patients and health care operators to ionizing radiation. (elsevier.com)
- Marcassa, C & Zoccarato, O 2016, ' Radiation Dose Reduction from Radionuclide Myocardial Perfusion Imaging ', Current Cardiovascular Imaging Reports , vol. 9, no. 1, 4, pp. 1-8. (elsevier.com)
- It is recognized by many in the field of nuclear cardiology that in order to thrive and advance, the discipline needs to go beyond myocardial perfusion imaging (MPI). (mhmedical.com)
- Synthesis of 123I-16-iodo-9- Hexadecenoic Acid and Derivatives for Use as Myocardial Perfusion Imaging Agents. (worldcat.org)
- To compare the diagnostic sensitivity and specificity of exercise ECG versus exercise ECG-gated Tc-99m tetrofosmin SPECT myocardial perfusion imaging in women who undergo an elective cardiac catheterization. (clinicaltrials.gov)
SPECT22
- The development of PET/CT and SPECT/CT imaging systems, which combine anatomic and functional imaging, has revolutionized diagnostic imaging. (snmjournals.org)
- 2014. "U-SPECT-BioFluo: an integrated radionuclide, bioluminescence, and fluorescence imaging platform. (harvard.edu)
- Background: In vivo bioluminescence, fluorescence, and single-photon emission computed tomography (SPECT) imaging provide complementary information about biological processes. (harvard.edu)
- A combination of a fluorescent dye and radioactive moiety was used to directly relate the optical images of the module to the SPECT findings. (harvard.edu)
- The SPECT and bioluminescence images could be used to place the fluorescence findings in perspective, e.g. by showing tracer accumulation in non-target organs such as the liver and kidneys (SPECT) and giving a semi-quantitative read-out for tumor spread (bioluminescence). (harvard.edu)
- Conclusions: We developed a fully integrated multimodal platform that provides complementary registered imaging of bioluminescent, fluorescent, and SPECT signatures in a single scanning session with a single dose of anesthesia. (harvard.edu)
- The biodistribution data were confirmed by SPECT/CT imaging. (diva-portal.org)
- Molecular phenotypes of neoplasms can be determined by molecular imaging with specific probes using positron emission tomography (PET), single photon emission computed tomography (SPECT), magnetic resonance imaging (MRI), or optical methods, so that the treatment is specifically targeted against the tumor and its environment. (thno.org)
- for a quantitative approach, Ga-68 and PET/CT is clearly superior to gamma-emitting radionuclides and single photon emission computed tomography (SPECT). (thno.org)
- The high diagnostic and risk stratification utilities of radionuclide single-photon emission computed tomography (SPECT) and positron emission tomography (PET) MPI are well established, 1-4 with observational studies 5-7 strongly suggesting that performing and properly acting upon the results of MPI can lead to improved patient outcome, with a study in progress designed to firmly establish this. (mhmedical.com)
- The emission of gamma photons by 177 Lu allows for imaging with SPECT (single photon emission computed tomography). (ejnmmigateway.net)
- One important step for dosimetry using this imaging technique is the SPECT image segmentation, which needs to be robust and accurate for the estimated quantities to be reliable. (ejnmmigateway.net)
- This work investigates different methods for automatic tumour delineation in 177 Lu-DOTATATE SPECT images. (ejnmmigateway.net)
- Effects of including resolution compensation in the iterative SPECT image reconstruction are also studied. (ejnmmigateway.net)
- Evaluation is performed based on Monte Carlo-simulated SPECT images from 24 h and 336 h post injection (p.i.), for determination of the volume, activity concentration and dice similarity coefficient. (ejnmmigateway.net)
- In addition, patient data are used to investigate the correspondence of tumour volumes when delineated in SPECT or morphological CT or MR images. (ejnmmigateway.net)
- The differences between the tumour volumes estimated from the SPECT images and the volumes estimated from morphological images are generally larger than the discrepancies seen for the simulated data sets. (ejnmmigateway.net)
- Scintillation-camera imaging is the most commonly employed measuring technique, applied in planar or SPECT mode, sometimes in combination with structural images from CT. (avhandlingar.se)
- Such modalities include positron emission tomography (PET), single photon emission computed tomography (SPECT), optical imaging (OI, bioluminescence and fluorescence), magnetic resonance imaging (MRI), ultrasound (US), and computed tomography (CT) [1] , [2] . (plos.org)
- While OI generally detects low energy light (visible or near-infrared light) emitted from bioluminescence or fluorescence probes, radioactive molecular probes are traditionally imaged with PET, SPECT or gamma (γ) cameras that detect high energy γ rays [1] . (plos.org)
- Milabs B.V., manufacturer of the world's only fully integrated SPECT/PET/Optical/CT-scanner, today announces that the core molecular imaging facility at Queen Mary University of London's Barts Cancer Institute has boosted its radionuclide imaging capabilities with a MILabs VECTor PET/SPECT/CT omni-tomography system. (news-medical.net)
- With exceptional breadth and depth, the book includes chapters dedicated to isotopes, isotope uptake and scanning procedures such as SPECT/CT, radioiodine ablation (with or without recombinant human TSH), stunning, dosimetry (with or without recombinant human TSH), Octreotide and FDG-PET scanning and other alternative imaging modalities. (springer.com)
Angiography15
- Multiple (two to three) views of each pacing site were obtained by radionuclide angiography and the ventricular site was determined by subsequent phase imaging. (ahajournals.org)
- The effectiveness of sequential imaging of early regional left ventricular contraction in the detection of ischémie abnormalities was assessed in 47 patients (15 with previous infarction) with angiographically proven coronary artery disease, and 11 normal volunteers, undergoing first pass radionuclide angiography with a multielement gamma camera at rest and at peak exercise. (springer.com)
- Functional cardiac imaging in coronary disease: Increased sensitivity of first-pass radionuclide angiography utilizing sequential regional left ventricular early diastolic filling rate images. (springer.com)
- Breitenbuecher A, Pfisterer M, Hoffmann A, Burckhardt D. Long-term follow-up of patients with silent ischemia during exercise radionuclide angiography. (springer.com)
- We evaluated the role of equilibrium radionuclide angiography (ERNA) as a diagnostic tool for ARVC. (nih.gov)
- First-pass radionuclide angiography of the terminal aorta was performed in 3 normal horses and a 6-year-old Standardbred intact male with aortoiliac thromboembolism. (avmi.net)
- Using 99mTc-HDP, first-pass radionuclide angiography was combined with hind limb and pelvis bone (delayed) scintigraphy and revealed marked reduction in blood flow through both external iliac arteries and absence of blood flow in the internal iliac arteries. (avmi.net)
- First-pass radionuclide angiography provided a method to obtain diagnostic images of the terminal aorta and branches and a method to diagnose aortoiliac thromboembolism in the horse. (avmi.net)
- Diagnostic imaging procedures for adults with suspected CHD include chest radiography, echocardiography (transthoracic and transesophageal), nuclear scintigraphy, cardiac-gated computed tomography (CT), magnetic resonance imaging (MRI), and cardiac catheterization and angiography. (aafp.org)
- The radiologic diagnostic tests commonly used in the evaluation of patients with suspected PE include chest radiography, radionuclide V/Q scan, CT pulmonary arteriography, and pulmonary angiography. (mhmedical.com)
- Radionuclide Angiography" is a descriptor in the National Library of Medicine's controlled vocabulary thesaurus, MeSH (Medical Subject Headings) . (harvard.edu)
- This graph shows the total number of publications written about "Radionuclide Angiography" by people in Harvard Catalyst Profiles by year, and whether "Radionuclide Angiography" was a major or minor topic of these publication. (harvard.edu)
- Below are the most recent publications written about "Radionuclide Angiography" by people in Profiles. (harvard.edu)
- Left ventricular function and visual phase analysis with equilibrium radionuclide angiography in patients with biventricular device. (biomedsearch.com)
- To evaluate left ventricular ejection fraction (LVEF) and synchronisation changes after CRT with a biventricular pacing implant, we used an equilibrium radionuclide angiography (ERNA). (biomedsearch.com)
Scintigraphy7
- Conventional nuclear medicine offers a variety of different methods for the diagnosis of musculoskeletal infections, including three-phase bone scintigraphy, gallium imaging, and labeled leukocyte imaging with indium-111 ( 111 In)-oxine or Tc-99-hexamethyl-propyleneamine oxime (HMPAO) and labeled antibodies against leukocyte surface antigens (antigranulocyte antibodies). (springer.com)
- Bahl M. Preoperative Parathyroid Imaging: Trends in Utilization and Comparative Accuracy of Sonography, Scintigraphy, and 4-Dimensional Computed Tomography. (harvard.edu)
- Work-up of these patients includes measurement of thyroid-stimulating hormone, free triiodothyronine, free thyroxine, thyroid autoantibodies, ultrasound imaging, thyroid scintigraphy, and fine-needle aspiration biopsy of nodules with certain ultrasound and scintigraphic features. (snmjournals.org)
- The results suggest that non-invasive imaging techniques including conventional plain radiographs, 99m-technetium bone scintigraphy and ultrasonography are complementary in the evaluation and monitoring of patients with painful hip arthroplasties. (elsevier.com)
- Coded aperture nuclear scintigraphy: a novel small animal imaging technique. (harvard.edu)
- hot spot imaging ( infarct avid imaging ) infarct avid scintigraphy . (thefreedictionary.com)
- pyrophosphate imaging infarct avid scintigraphy . (thefreedictionary.com)
Personalized radionuclide therapy3
- THERANOSTICS of neuroendocrine tumors (NETs) using Ga-68 labeled tracers for diagnostics with positron emission tomography/ computed tomography (PET/CT), and using Lu-177 or other metallic radionuclides for radionuclide therapy by applying the same peptide proves that personalized radionuclide therapy today is already a fact and not a fiction. (thno.org)
- THERANOSTICS, molecular imaging, personalized radionuclide therapy. (thno.org)
- One of the classic examples of theranostics is the use of Ga-68 labeled tracers, wherein the diagnosis using this generator-derived radionuclide can be effectively followed by the therapy using therapeutic radionuclides like Lu-177 and Y-90 labeled with the same tracer for personalized radionuclide therapy. (thno.org)
Diagnosis15
- The diagnosis of musculoskeletal infection can be clinically challenging and imaging procedures are routinely performed as part of the diagnostic workup. (scielo.br)
- Meyers SP, Wiener SN (1991) Diagnosis of hematogenous pyogenic vertebral osteomyelitis by magnetic resonance imaging. (springer.com)
- Palestro CJ, Roumanas P, Swyer AJ et al (1992) Diagnosis of musculoskeletal infection using combined In-111 labeled leukocyte and Tc-99m SC marrow imaging. (springer.com)
- The diagnosis is not always obvious, and imaging procedures are part of the diagnostic workup. (snmjournals.org)
- Positron emission tomography, with its high sensitivity and resolution, is growing rapidly as an imaging technology for the diagnosis of many disease states. (sigmaaldrich.com)
- Comparison of radionuclide angiographic synchrony analysis to echocardiography and magnetic resonance imaging for the diagnosis of arrhythmogenic r. (nih.gov)
- Comparison of radionuclide angiographic synchrony analysis to echocardiography and magnetic resonance imaging for the diagnosis of arrhythmogenic right ventricular cardiomyopathy. (nih.gov)
- In the context of nuclear medicine, it refers to the use of molecular targeting vectors (e.g. peptides) labeled either with diagnostic radionuclides (e.g. positron or gamma emitters), or with therapeutic radionuclides for diagnosis and therapy respectively of a particular disease, targeted specifically by the vector at its molecular level. (thno.org)
- Therefore molecular imaging and diagnosis of the disease can be effectively followed by personalized treatment utilizing the same molecular imaging vectors. (thno.org)
- Such in vivo imaging may prove useful in the clinical setting for noninvasive diagnosis, monitoring of disease progression or regression, and determining efficacy of treatment. (pnas.org)
- Due to the incidence of CAD, there is a need for accurate, inexpensive, and non-invasive imaging methods for both diagnosis and monitoring. (tsnmjournals.org)
- Computed tomography and gadolinium-enhanced magnetic resonance imaging are better for early diagnosis (5,6). (tsnmjournals.org)
- These studies are now limited to diagnosis of thyrotoxicosis, toxic nodules, I/123 I/131 imaging for thyroid cancer, and PET FDG for advanced cancers. (thyroidnosurgery.com)
- Calver R, Venugopal V, Dorgan J, Bentley G, Gimlette T. Radionuclide scanning in the early diagnosis of Perthes' disease. (springer.com)
- PET imaging with (68)Ga-PSMA-HBED-CC has recently found widespread application in the diagnosis of recurrent PCa. (urotoday.com)
Ultrasound7
- Thyroid Ultrasound Reporting Lexicon: White Paper of the ACR Thyroid Imaging, Reporting and Data System (TIRADS) Committee. (semanticscholar.org)
- Ultrasound is the most commonly used imaging technique for the evaluation of thyroid nodules. (semanticscholar.org)
- Among them, molecular imaging using radionuclide techniques focuses on small scale molecular events rather than anatomical alterations (such as in computed tomography (CT), ultrasound, radiography). (thno.org)
- Ultrasound imaging demonstrated bilateral cervical lymphadenopathy with enhanced tracer uptake in the left lateral neck on a Technetium-99m uptake scan. (bioscientifica.com)
- Work-up includes thyroid function tests and ultrasound imaging. (snmjournals.org)
- High resolution MRI, CT, and ultrasound as well as optically based imaging are established technologies within the pharmaceutical industries' armamentarium and a core facility for the experimental researcher. (stanford.edu)
- Ultrasound imaging is a widely available, relatively inexpensive, and real-time imaging modality that does not expose patients to radiation and which is the first-line imaging modality for assessment of many organs. (stanford.edu)
Molecular31
- To receive news and publication updates for Contrast Media & Molecular Imaging, enter your email address in the box below. (hindawi.com)
- 68Ga-DOTAVAP-P1 PET imaging capable of demonstrating the phase of inflammation in healing bones and the progress of infection in osteomyelitic bones," European Journal of Nuclear Medicine and Molecular Imaging , vol. 35, no. 2, pp. 352-364, 2008. (hindawi.com)
- Preclinical evaluation of two 68Ga-siderophores as potential radiopharmaceuticals for Aspergillus fumigatus infection imaging," European Journal of Nuclear Medicine and Molecular Imaging , vol. 39, no. 7, pp. 1175-1183, 2012. (hindawi.com)
- Irina Velikyan, "Prospective of 68 Ga Radionuclide Contribution to the Development of Imaging Agents for Infection and Inflammation," Contrast Media & Molecular Imaging , vol. 2018, Article ID 9713691, 24 pages, 2018. (hindawi.com)
- The field of radionuclide imaging is broadening, and in addition to anatomical imaging, radionuclide imaging also has the unique ability to image the myocardium at a molecular level. (acc.org)
- This molecular imaging is designed to image the spectrum of cardiovascular disease including inflammation, thrombosis, apoptosis, necrosis, and fibrosis. (acc.org)
- The Technische Universität München (TUM) is seeking applications from highly motivated candidates for a Postdoc position in molecular imaging and therapy using novel probes. (academics.de)
- The TUM provides access to excellent infrastructure for conducting cutting-edge research in the field of molecular imaging (e.g. (academics.de)
- Radionuclide molecular imaging of HER2 expression might permit stratification of patients for HER2-targeting therapies. (diva-portal.org)
- The molecular imaging provides non-invasive method for the monitoring of functional changes in individual organs, with higher sensitivity, specificity and the possibility of quantification of these alterations. (thno.org)
- For the last few decades, several molecular imaging applications targeting neurohormonal system have been developed and utilized clinically. (thno.org)
- In vivo molecular imaging enables us to study molecular targets and to measure biochemical processes non-invasively and longitudinally, providing information on disease processes and potential therapeutic strategies, e.g. efficacy of novel therapeutic interventions, which is of complementary value next to ex vivo (post mortem) histopathological analysis and molecular assays. (springeropen.com)
- Remarkably, the large body of preclinical imaging studies in inflammatory musculoskeletal disease is in contrast with the limited reports on molecular imaging in clinical practice and clinical guidelines. (springeropen.com)
- In addition to ex vivo histopathological analysis and molecular assays based on blood and joint fluids, as illustrated in detail below, in vivo molecular imaging enables to study molecular targets non-invasively and longitudinally, providing complementary data on pathological processes and potential therapeutic strategies. (springeropen.com)
- Such system will be used for functional imaging of biological processes at molecular level in small animal. (elsevier.com)
- 8 Nevertheless, there is an increased focus on developing radionuclide techniques that rely on a unique strength of the modality, that is, the ability to image the underlying molecular processes of cardiac disease. (mhmedical.com)
- Advances in molecular biology and imaging have allowed the successful non-invasive monitoring of transplanted stem cells in the living subject. (iospress.com)
- Recent developments in molecular imaging modalities may likely permit investigators to answer some of these questions. (iospress.com)
- It provides a new molecular imaging strategy and will likely have significant impact on both small animal and clinical imaging. (plos.org)
- This work was supported, in part, by the Department of Radiology, Stanford University (to Z.C.), a China Scholarship Council fellowship (to H.L.), the National Cancer Institute (NCI) In Vivo Cellular Molecular Imaging Center (ICMIC) grant P50 CA114747 (to S.S.G.), and R01 CA119053 (to Z.C.). The funders had no role in study design, data collection and analysis, decision to publish, or preparation of the manuscript. (plos.org)
- Molecular imaging is a relatively new yet fast growing research discipline. (plos.org)
- Numerous studies have demonstrated that molecular imaging techniques play a central role in the era of personalized medicine. (plos.org)
- OI has rapidly gained popularity in molecular imaging. (plos.org)
- We hypothesized that radionuclide radiation in the low energy window of light (1.2-3.1 eV, 400-1000 nm) could be imaged using OI techniques and be especially valuable for molecular OI. (plos.org)
- Our study demonstrates the feasibility of molecular imaging of living subjects using OI modalities in conjunction with a wide diversity of radioactive probes. (plos.org)
- MR Solutions' high field simultaneous PET-MR systems and large bore, 7T cryogen free MRI technology were seen to be game-changers by leading molecular imaging researchers at the 27th Annual Meeting of the International Society for Magnetic Resonance in Medicine, in Montreal last week. (news-medical.net)
- The MILabs VECTor (OI/CT) system has been acquired by the Department of Radiology at Columbia University Irving Medical Center to upgrade its molecular imaging capabilities. (news-medical.net)
- Biomedical imaging has revolutionized medicine, granting doctors a window into miniscule molecular and cellular processes inside the body. (news-medical.net)
- Its potential molecular imaging applications also remain unclear. (elsevier.com)
- We developed an ultrahigh-resolution Cerenkov-light imaging system, measured its spatial resolution, and explored its applications to molecular imaging research. (elsevier.com)
- Further, functional and molecular imaging promised to streamline the clinical drug development process by providing evident of biological activity of investigational drugs during the initial stages of clinical testing and to inform decision making prior to embarking upon pivotal trials. (stanford.edu)
Radiation10
- In the evaluation of patients with chest pain, whether any imaging is warranted rather than exercise stress testing alone remains a pertinent question given the radiation exposure and costs associated with both CCTA and MPI. (bmj.com)
- Although magnetic resonance imaging and computed tomography can provide volumetric data for more comprehensive evaluation of cardiac anatomy and function, magnetic resonance imaging does not require patient exposure to ionizing radiation or nephrotoxic iodinated contrast media. (aafp.org)
- The measurement of visualization by radiation of any organ after a radionuclide has been injected into its blood supply. (harvard.edu)
- Cumulative exposure to ionizing radiation from diagnostic and therapeutic cardiac imaging procedures: a population-based analysis. (harvard.edu)
- The production of non-invasive images of body regions using ionising radiation (e.g. (thefreedictionary.com)
- 68 Ga-PSMA-PET/CT imaging of localized primary prostate cancer patients for intensity modulated radiation therapy treatment planning with integrated boost. (urotoday.com)
- The purpose of our study was to show the feasibility and potential benefits of using68Ga-PSMA-PET/CT imaging for radiation therapy treatment planning of patients with primary prostate cancer using either integrated boost on the PET-positive volume or localized treatment of the PET-positive volume. (urotoday.com)
- Radionuclide therapy (RNT) is a form of radiotherapy that uses unsealed radioactive sources for the delivery of ionising radiation within a patient's body.Radiation dosimetry is not used routinely in all centres, and the RNT field can benefit from more data on pharmacokinetics and absorbed doses (ADs). (avhandlingar.se)
- By taking the advantages of low energy window of light (1.2-3.1 eV, 400-1000 nm) resulting from radiation, radionuclides that emit charged particles such as β + and β − can be successfully imaged with an OI instrument. (plos.org)
- The traditional issue with pediatric CT and radiation is "the balance" between image quality and radiation dose (and risk). (stanford.edu)
Ischemia4
- Radionuclide imaging has traditionally been used to evaluate the etiology of HF, whether ischemic or non-ischemic and to determine the extent and severity of ischemia. (acc.org)
- In patients presenting with DOE who have no evidence of reversible ischemia on radionuclide stress testing but have hyperdynamic left ventricle, a search should be made for alternate cardiac etiology for this complaint such as diastolic dysfunction and heart failure with preserved ejection fraction. (scipedia.com)
- Noninvasive imaging of angiogenesis with a 99mTc-labeled peptide targeted at alphavbeta3 integrin after murine hindlimb ischemia. (harvard.edu)
- Radionuclide imaging is the next most commonly employed modality to screen for cardiac ischemia. (aafp.org)
Modality3
- In addition, the patent now covers the same labeling with F-19, which can be used for MRI, another major imaging modality for depicting, in particular, musculoskeletal and neurological structures. (cnbc.com)
- Peptide Receptor Radionuclide Therapy (PRRT) is an emerging therapeutic modality that involves the targeted delivery of an ablative dose of radiolabelled somatostatin analog. (enets.org)
- In the last decade, a new treatment modality, peptide receptor radionuclide therapy (PPRT), has been introduced for gastroenteropancreatic neuroendocrine tumor (GEPNET) patients with non-resectable or progressive disease. (enets.org)
Radiology5
- The book is published within the Springer series Clinicians' Guides to Radionuclide Hybrid Imaging (compiled under the auspices of the British Nuclear Medicine Society) and will be an excellent asset for referring clinicians, nuclear medicine/radiology physicians, radiographers/technologists, and nurses who routinely work in nuclear medicine and participate in multidisciplinary meetings. (tenlong.com.tw)
- Diagnostic radiology : an Anglo-American textbook of imaging / edited by Ronald G. Grainger, David J. Allison. (who.int)
- horizontal beam imaging a grid positioning technique in radiology in which the grid cassette is positioned with its lead lines perpendicular to the floor. (thefreedictionary.com)
- This category is for images related to radiology , including medical imaging . (wikimedia.org)
- These apply beyond CT to much of imaging care and material and discussion of the above will emphasize the responsibility of the radiology community in consensus strategies for imaging accountability. (stanford.edu)
Peptide8
- Synthesis, 68Ga labeling and preliminary evaluation of DOTA peptide binding vascular adhesion protein-1: a potential PET imaging agent for diagnosing osteomyelitis," Nuclear Medicine and Biology , vol. 36, no. 6, pp. 631-641, 2009. (hindawi.com)
- The first clinical validation of this new F-18 labeling kit was just published in The Journal of Nuclear Medicine ( http://jnm.snmjournals.org/content/54/5/691.full.pdf+html ), where National Institute of Health scientists, collaborating with Chinese physicians, successfully imaged all sites of lung cancer in 9 patients, using a peptide labeled by the method patented by Immunomedics. (cnbc.com)
- The authors reported that they could label their peptide in about 20 minutes and image the cancers within 1 hour of injecting the radiodiagnostic. (cnbc.com)
- This peptide is also potentially useful for imaging cardiac disease. (cnbc.com)
- Peptide receptor radionuclide therapy (PRRNT) is valuable for the management of metastasized and/or inoperable neuroendocrine neoplasms (NENs). (enets.org)
- Peptide receptor radionuclide therapy (PRRT) of neuroendocrine tumors (NETs) has emerged as a powerful palliative therapy. (enets.org)
- In vivo optical images can be obtained for several radioactive probes including 2-deoxy-2-[ 18 F]fluoro-D-glucose ([ 18 F]FDG), Na 18 F, Na 131 I, 90 YCl 3 and a 90 Y labeled peptide that specifically target tumors. (plos.org)
- Objectives The purpose of this study was to evaluate interstitial alterations in myocardial remodeling using a radiolabeled Cy5.5-RGD imaging peptide (CRIP) that targets myofibroblasts. (onlinejacc.org)
Cardiovascular2
- Current Cardiovascular Imaging Reports , 9 (1), 1-8. (elsevier.com)
- Noninvasive cardiovascular imaging. (harvard.edu)
ABSTRACT1
- abstract = "The aim of our 1 year prospective study was to determine whether variation in clinical improvement in pain correlated with non-invasive imaging and whether such correlation changed after conservative therapy. (elsevier.com)
Uptake2
- However, most of the conventional radionuclide imaging techniques are of low specificity in the detection of low-grade and chronic infections, especially in the axial skeleton due to high physiological uptake in normal bone marrow of the spine. (springer.com)
- External radionuclide imaging showed a two- to sixfold increase in the uptake of radiolabeled annexin V at sites of apoptosis in all three models. (pnas.org)
Echocardiography2
- Echocardiography and radionuclide imaging were performed within 2 hours of each another, 5 to 8 days after hospital admission. (nih.gov)
- Many diagnostic methods, such as ECG, biochemical cardiac markers, transthoracic and transoesophageal echocardiography, and radionuclide imaging studies, have been investigated to determine their use in predicting such complications. (bmj.com)
Gamma4
- The camera will detect the gamma rays being emitted from the tracer, and the image of where the tracer is found in the organs is transmitted to a computer. (medlineplus.gov)
- Imaging is by a conventional gamma camera focused on the principal 159 keV 123 I-emission using a low energy collimator, although there are reports suggesting that use of a medium energy collimator to block corrupting higher energy emissions may be better. (acc.org)
- These radionuclides all emit gamma rays, and a scintillation camera is used to detect gamma-ray emission. (britannica.com)
- used for imaging purposes is technetium-99 m , a gamma-ray emitter with a six-hour half-life, which diffuses throughout the tissues of the body after its administration. (britannica.com)
Dosimetry3
- Moreover, dosimetry calculations revealed that radionuclide-labeled anti-PD-L1 antibody yielded tolerable projected marrow doses, further supporting its use for radiopharmaceutical therapy. (aacrjournals.org)
- Addition of two important facets namely individualized patient dosimetry by pre- or post therapeutic imaging, and assessment of therapy response using quantitative imaging by Ga-68 positron emission tomography/ computed tomography (PET/CT) fulfills the potential of personalized medicine. (thno.org)
- Dosimetry in radionuclide therapy has the potential to allow for a treatment tailored to the individual patient. (ejnmmigateway.net)
Noninvasive5
- The noninvasive localization of ventricular pacing sites by radionuclide phase imaging. (ahajournals.org)
- Schad N, Romeo F, Fesl H, Nickel O. Noninvasive assessment of regional diastolic left ventricular function with first pass radionuclide functional imaging. (springer.com)
- These results suggest that radiolabeled annexin V can be used in vivo as a noninvasive means to detect and serially image tissues and organs undergoing programmed cell death. (pnas.org)
- Although noninvasive imaging techniques have limitations, they can evaluate most lesions and preclude the need for cardiac catheterization. (aafp.org)
- Noninvasive imaging is particularly useful for serial evaluation of patients with surgically corrected congenital heart disease, because nearly one half of these patients will require two or more surgeries. (aafp.org)
Magnetic9
- At the moment, gallium is the preferred radionuclide procedure for this condition and is a useful adjunct to magnetic resonance imaging. (scielo.br)
- Magnetic resonance imaging (MRI) is most useful in assessing the presence of periarticular osteomyelitis as a causative mechanism. (medscape.com)
- However, magnetic resonance imaging and computed tomography are often necessary, particularly for assessment of extracardiac anatomy or specific vascular connections or relationships, which may be complex in postoperative patients. (aafp.org)
- Magnetic resonance imaging also can measure blood flow for quantification of left-to-right shunts, regurgitant fractions, and pressure gradients. (aafp.org)
- echo planar imaging a technique for obtaining a magnetic resonance image in less than 50 msec. (thefreedictionary.com)
- gated magnetic resonance imaging a method for magnetic resonance imaging in which signal acquisition is gated to minimize motion or other artifacts. (thefreedictionary.com)
- magnetic resonance imaging (MRI) a method of visualizing soft tissues of the body by applying an external magnetic field that makes it possible to distinguish between hydrogen atoms in different environments. (thefreedictionary.com)
- Early Legg-Perthes disease (ischemic necrosis of the femoral head) demonstrated by magnetic resonance imaging. (springer.com)
- In addition to an updated section on ultrasonography of the thyroid gland, new sections have been added, including ones on ultrasonography of cervical lymph nodes and imaging for thyroid cancer employing computerized tomography (CT), positron emission tomography (PET) and magnetic resonance imaging (MRI). (springer.com)
Technetium2
- Palestro CJ, Kim CK, Swyer AJ et al (1990) Total-hip arthroplasty: periprosthetic indium-111-labeled leukocyte activity and complementary technetium-99m-sulfur colloid imaging in suspected infection. (springer.com)
- phases of radionuclide imaging is technetium-99. (britannica.com)
Biodistribution3
- In this study, we developed a murine anti-PD-L1 antibody conjugated to the radionuclide Indium-111 ( 111 In) for imaging and biodistribution studies in an immune-intact mouse model of breast cancer. (aacrjournals.org)
- To meet these demands, we need to define the targets, ligands, coupling and labeling chemistry, the most appropriate radionuclides, biodistribution modifiers, and finally select the right patients for the personalized treatment. (thno.org)
- The purpose of this study was to investigate the possibility of quantitative imaging of Ra to enable biodistribution studies. (lu.se)
Emitters2
Evaluation6
- FDG-PET likely will play an important role in the evaluation of musculoskeletal infection, especially spinal osteomyelitis, and may replace gallium imaging for this purpose. (scielo.br)
- These findings provide a basis for further assessment of the role of phase imaging in the evaluation of patients with spontaneous ventricular ectopy. (ahajournals.org)
- Schad N, Bruzzone F, Romeo F. Systolic and diastolic functional imaging in evaluation of ischaemic heart disease. (springer.com)
- These findings suggest that ERNA may serve as a valuable imaging tool in the diagnostic evaluation of patients with suspected ARVC. (nih.gov)
- Currently, a variety of serologic and cytogenetic tests, diagnostic imaging studies, and histopathologic techniques exist for the evaluation of a thyroid nodule. (medscape.com)
- 68)Ga-PSMA I&T PET/CT for assessment of prostate cancer: evaluation of image quality after forced diuresis and delayed imaging. (urotoday.com)
Metastases1
- Quantitative imaging of 223Ra-chloride (Alpharadin) for targeted alpha-emitting radionuclide therapy of bone metastases. (lu.se)
Radiography1
- imag·ing/ ( im´ah-jing ) the production of diagnostic images, e.g., radiography, ultrasonography, or scintillation photography. (thefreedictionary.com)
Tomography5
- According to the most recent appropriate use criteria for cardiac radionuclide imaging (described in indications 6 to 9 of Table 1 of Hendel and colleagues' guideline [1]) and cardiac computed tomography (described in indications 6 to 8. (annals.org)
- Until recently, choline-based positron emission tomography/computed tomography (PET/CT) represented the state-of-the-art radionuclide imaging technique for these purposes. (ru.nl)
- This is also true for small animal imaging research using positron emission tomography. (news-medical.net)
- By imaging microglial activation levels with positron emission tomography, researchers were able to better predict progression of the disease than with beta-amyloid PET imaging, according to a study published in the April issue of the Journal of Nuclear Medicine. (news-medical.net)
- Case studies from the first total-body positron emission tomography/computed tomography (PET/CT) scanner reveal multiple benefits of the novel imaging technology, providing a solid groundwork upon which to build its clinical utility. (news-medical.net)
Musculoskeletal infection3
- Radionuclide imaging studies are routinely used to evaluate patients suspected of having musculoskeletal infection. (scielo.br)
- This article reviews the principles, indications, and limitations of radionuclide imaging studies available for diagnosing musculoskeletal infection. (scielo.br)
- There are numerous imaging tests for diagnosing musculoskeletal infection. (snmjournals.org)
Radiopharmaceuticals3
- Radiopharmaceuticals and Other Compounds Labelled with Short-Lived Radionuclides. (worldcat.org)
- I thought you might be interested in this item at http://www.worldcat.org/oclc/893741130 Title: Radiopharmaceuticals and Other Compounds Labelled with Short-Lived Radionuclides. (worldcat.org)
- Radiopharmaceuticals and Other Compounds Labelled with Short-Lived Radionuclides covers through both review and contributed articles the potential applications and developments in labeling with short-lived radionuclides whose use is restricted to institutions with accelerators. (worldcat.org)
Positron emission tomographic2
- Zhuang H, Duarte PS, Pourdehand M et al (2000) Exclusion of chronic osteomyelitis with F-18 fluorodeoxyglucose positron emission tomographic imaging. (springer.com)
- ICD-10-PCS code C030YZZ for Positron Emission Tomographic (PET) Imaging of Brain using Other Radionuclide is a medical classification as listed by CMS under Central Nervous System range. (aapc.com)
Techniques7
- From these reflections, we provide recommendations on what future studies in this field should encompass to facilitate a greater impact of radionuclide imaging techniques on the translation to clinical settings. (springeropen.com)
- Radionuclide tracer techniques in haematology / C. S. Bowring. (who.int)
- Nuclear medicine and related radionuclide applications in developing countries : proceedings of an International Symposium on Nuclear Medicine and Related Medical Applications of Nuclear Techniques in Developing Countries, held in Vienna, 26-30 August 1985 / organized by the International Atomic Energy Agency, in co-operation with the World Health Organization. (who.int)
- Optical imaging (OI) techniques such as bioluminescence and fluorescence imaging have been widely used to track diseases in a non-invasive manner within living subjects. (plos.org)
- Intermediate risk patients, such as those with atypical chest pain or moderate exercise capacity, are candidates for radionuclide imaging techniques. (aafp.org)
- Accelerated cine imaging techniques will be discussed including compressed sensing and increased acceleration parallel imaging. (stanford.edu)
- Techniques of biomedical imaging are an integral part of both drug discovery and clinical drug development. (stanford.edu)
Leukocyte6
- Labeled leukocyte imaging should be used in cases of "complicating osteomyelitis" such as prosthetic joint infection. (scielo.br)
- It is often necessary, however, to perform complementary bone marrow imaging, to maximize the accuracy of labeled leukocyte imaging. (scielo.br)
- In contrast to other regions in the skeleton, labeled leukocyte imaging is not useful for diagnosing spinal osteomyelitis. (scielo.br)
- Love C, Marwin SE, Tomas MB et al (2004) Diagnosing infection in the failed joint replacement: a comparison of coincidence detection 18F-FDG and 111 In-labeled leukocyte/ 99mTc-sulfur colloid marrow imaging. (springer.com)
- Siglec-9 is a novel leukocyte ligand for vascular adhesion protein-1 and can be used in PET imaging of inflammation and cancer," Blood , vol. 118, no. 13, pp. 3725-3733, 2011. (hindawi.com)
- Although in vitro labeled leukocyte imaging is the radionuclide test of choice for complicating osteomyelitis such as diabetic pedal osteomyelitis and prosthetic joint infection, it is not useful for spondylodiskitis. (snmjournals.org)
Tracer2
- The gallbladder radionuclide scan is performed by injecting a tracer (radioactive chemical) into the bloodstream. (medlineplus.gov)
- Cynthia L. Sullivan, President and CEO, explained: "PET with F-18 is already one of the most prevalent nuclear tracer methods used in oncology and neurology, so our scientists, as part of developing companion imaging agents for our therapeutics, strived to invent rapid and simple methods to label peptides and other proteins, including antibodies, for convenient and accurate imaging. (cnbc.com)
Tracers4
- In this article, we review the current status of applying radionuclide technology in non-invasive imaging of neurohormonal system in the heart, especially focusing on the tracers that are currently available. (thno.org)
- The focus has been to measure thick target yields at 11 MeV, in an effort to concentrate on the practical production of positron emitting radionuclides that have favorable decay characteristics, high yields and the potential for labeling pivotal biological tracers. (minervamedica.it)
- We will also develop PET imaging tracers targeting PD-L1 and CD8 to provide real-time, non-invasive monitoring of tumor cells, myeloid- derived cells and T cells in response to therapy. (grantome.com)
- If successful, we will demonstrate that combining targeted radionuclide therapy and immunotherapy can effectively treat advanced-stage melanoma, while simultaneously identifying a panel of PET tracers for non-invasive monitoring of treatment efficacy. (grantome.com)
Angiographic2
- This study was designed to investigate the potential role of radionuclide angiographic phase imaging in defining ventricular pacing sites. (ahajournals.org)
- Thus, radionuclide angiographic phase imaging provides excellent descriptive information regarding the focus of ventricular pacing ectopy and can define both sites of continuous pacing and intermittent premature ventricular stimulation. (ahajournals.org)
Tomographic1
- Cardiac 123 I- m IBG imaging involves a rest injection of 10 mCi (patient exposure is ~ 5 mSv), followed by early and ~4-hour delayed anterior planar images, and often tomographic images as well. (acc.org)
Modalities4
- CT and ultrasonography are not primary imaging modalities for osteomyelitis. (snmjournals.org)
- Diagnostic imaging modalities may be helpful but are often nonspecific. (medscape.com)
- In our view, integration of these modalities helps to improve data interpretation of optical findings in relation to radionuclide images. (harvard.edu)
- A variety of imaging modalities have been developed that provide functional and anatomical information of diseases in living small animals and patients. (plos.org)
Scan6
- The image obtained from a moving detector is called a scan, while the image obtained from a stationary camera device is called a scintiphotograph. (harvard.edu)
- A total of 34 replacement hip arthroplasties in 31 patients with pain following surgery were studied by plain film, radionuclide bone scan and ultrasonography. (elsevier.com)
- A radionuclide cystogram is a special imaging nuclear scan test. (medlineplus.gov)
- These images are a random sampling from a Bing search on the term "Lumbar Spine Bone Scan. (fpnotebook.com)
- There is a valuable reference atlas of scan images and illustrations, and a scholarly summary of the side effects of radioiodine and how to avoid or minimize adverse effects of treatment. (springer.com)
- Innovatieve magneet scan technieken kunnen de ernst van littekenvorming (fibrose) en ontsteking meten om de beste individuele behandeling te kiezen en om het effect ervan nauwkeurig te kwantificeren. (eur.nl)
20161
- Trends in Use of Medical Imaging in US Health Care Systems and in Ontario, Canada, 2000-2016. (harvard.edu)
Cardiac innervation2
- It is now possible to image sympathetic cardiac innervation with a radiolabeled NE analogue. (acc.org)
- Travin M.I. Travin, Mark I. Radionuclide Imaging of Cardiac Innervation. (mhmedical.com)
Therapy of prostate cancer1
- The project is embedded in current advances in imaging and therapy of prostate cancer conducted at TUM. (academics.de)
Assessment8
- Termaat MF, Raijmakers PG, Scholten HJ et al (2005) The accuracy of diagnostic imaging for the assessment of chronic osteomyelitis: a systematic review and meta-analysis. (springer.com)
- Schad N, Nickel O. Assessment of left ventricularperformance by functional images. (springer.com)
- 4 Iodine-123- meta -iodobenzylguanidine ( 123 I- m IBG) is a radiolabeled analogue of the false NE transmitter guanethidine that, when injected intravenously, diffuses into synaptic spaces and is taken up into presynaptic terminals by the NET1 transporter but not metabolized, thereby accumulating and allowing imaging for assessment of the functional state of adrenergic innervation. (acc.org)
- We believe this PET/MRI imaging technology can be of value in the assessment and development of targeted therapeutics," Ms. Sullivan said, "and we are collaborating in this area of research with two major pharmaceutical companies, in addition to evaluating this with our own antibody-based therapeutics. (cnbc.com)
- The specific subproject in the SFB 824 is focussed on therapy assessment in prostate cancer using novel probes for PET-imaging and radionuclide therapy. (academics.de)
- An imaging technique capable of localizing and quantifying apoptosis in vivo would permit assessment of disease progression or regression and similarly define the efficacy of therapy designed to inhibit or induce cell death ( 5 - 6 ). (pnas.org)
- Radiologic imaging is critical for the initial assessment and for surveillance in this population. (aafp.org)
- 9 Among such nonperfusion radionuclide imaging methods of current interest is assessment of cardiac autonomic innervation. (mhmedical.com)
177Lu1
- We hypothesize that targeted radiotherapy with 177Lu-LLP2A, combined with dual anti-CTLA-4 and anti-PD-1 immunotherapy, will be highly effective in treating melanoma tumor-bearing mice, and that imaging of PD-1 and CD8+ T-cells will allow the monitoring of early ?clinical? (grantome.com)
Osteomyelitis1
- Radiographs are the initial imaging study performed for suspected osteomyelitis. (snmjournals.org)
Ultrasonography2
- especially, cross-sectional imaging, such as ultrasonography. (thefreedictionary.com)
- color flow Doppler imaging a method of visualizing direction and velocity of movement using Doppler ultrasonography and coding them as colors and shades, respectively. (thefreedictionary.com)
Hybrid Bone Imaging1
- 2013: Radionuclide and Hybrid Bone Imaging, edited by Ignac Fogelman, Gopinath Gnanasegaran, Hans van der Wal. (wikipedia.org)
Patients9
- Diagnostic accuracy of sequential images (67-91%) was higher than that of ejection rate image (71-72%), and of global hemodynamic parameters (33-60%), in the detection of coronary patients. (springer.com)
- Sympathetic innervation imaging can provide insights into the prognosis of patients with HF and, in the future, may evolve into a prognostic tool to help risk stratify patients who will benefit from particular interventions including device therapy. (acc.org)
- Simpson's rule had low correlation to the radionuclide EF (r = 0.45 to 0.51) and could not be used in approximately half of the patients due to poor identification of endocardial borders. (nih.gov)
- However, with experienced sonographers, the LV wall motion score index or visual estimation of the EF had reasonable agreement with the radionuclide EF in most of the patients. (nih.gov)
- Quantification of activity in bone after administrations of 100 kBq/kg of Ra-chloride proved the feasibility of quantitative imaging of patients who have received radionuclide therapy. (lu.se)
- This observation has led to testing radiolabeled annexin V in animal models of acute thrombosis and imaging of atrial thrombi in patients with atrial fibrillation ( 14 , 15 ). (pnas.org)
- Here, a review of the recent developments in PSMA-based diagnostic imaging and therapy in patients with PCa with radiolabeled PSMA ligands is provided. (ru.nl)
- Furthermore, some of these imaging strategies have the potential to be translated to patients, which makes them plausible to be used in the clinics. (iospress.com)
- 68)Ga-PSMA 11 ligand PET imaging in patients with biochemical recurrence after radical prostatectomy - diagnostic performance and impact on therapeutic decision-making. (urotoday.com)
Vivo6
- The applicability of the module for bioluminescence and fluorescence imaging was evaluated in both a phantom and in an in vivo setting using mice implanted with a 4 T1-luc + tumor. (harvard.edu)
- Results: Both the phantom and in vivo mouse studies showed that superficial fluorescence signals could be imaged accurately. (harvard.edu)
- We performed scintigraphic imaging studies with derivatized annexin V to determine its ability in vivo to detect sites of apoptotic cell death occurring in Fas-mediated hepatocyte apoptosis, acute cardiac allograft rejection, and cyclophosphamide treatment of B cell lymphoma. (pnas.org)
- Thus we examined a variety of radionuclides with different types of emission properties (β + , β − or γ) using a commercially available OI instrument for in vitro and in vivo optical imaging. (plos.org)
- Jagiellonian University in Kraków recently became the first institute in Poland to install MILabs' Adaptive U-CT for in-vivo preclinical imaging. (news-medical.net)
- For applications of Cerenkov-light imaging, we conducted 18 F-FDG administered in vivo, ex vivo whole brain, and sliced brain imaging of rats. (elsevier.com)
19971
- Palestro CJ, Torres MA (1997) Radionuclide imaging in orthopedic infections. (springer.com)
Melanoma4
- Here we propose a multi-faceted approach for imaging and therapy of metastatic melanoma, to be tested in mouse models of primary and metastatic disease. (grantome.com)
- also called integrin ?4?1) for cancer imaging and therapy for multiple myeloma and melanoma, where it plays a facilitating role in tumor growth, angiogenesis and metastasis by promoting adhesion and migration of cancer cells. (grantome.com)
- We propose to test a combination treatment of a melanoma-targeted, systemic radionuclide-based therapy with immunotherapy in mouse models. (grantome.com)
- Nuclear medicine imaging with PET/CT can monitor the effectiveness of immunotherapy treatment for metastatic melanoma and predict outcome. (news-medical.net)