• computed tomography
  • 1-3 Intrafraction motion of cancer targets due to breathing now can be reduced by patient-responsive breath hold techniques, 4 patient mouthpiece active breathing coordination, 5 respiration-correlated computed tomography, 6 or image-guided tracking of fiducials implanted within and around a moving tumor. (jove.com)
  • catheters
  • This may be useful for the applications above and also for confirmation of targeting for placement of ventricular catheters, biopsies, or deep brain stimulation electrodes. (wikipedia.org)
  • At the extreme of this, very small transducers can be mounted on small diameter catheters and placed into blood vessels to image the walls and disease of those vessels. (wikipedia.org)
  • tissue
  • removing the biopsy device from the paranasal sinus to remove cut tissue. (google.com)
  • These images are often difficult to interpret as the tool will cause shadowing artifacts that occlude tissue near the target site. (spie.org)
  • Selective band imaging (SBI) is a method in which tissue is illuminated with two narrow bandwidths of light that correspond to the peaks in the absorption spectra of hemoglobin. (photonics.com)
  • This mechanism, which reveals an image based on a molecular concentration associated with abnormal tissue, is known as exogenous fluorescence diagnosis (EFD). (photonics.com)
  • The most well-known type is a B-mode image, which displays the acoustic impedance of a two-dimensional cross-section of tissue. (wikipedia.org)
  • Other types of image can display blood flow, motion of tissue over time, the location of blood, the presence of specific molecules, the stiffness of tissue, or the anatomy of a three-dimensional region. (wikipedia.org)
  • comprises
  • 2. A method as in claim 1 , wherein advancing the biopsy device comprises advancing it through a nostril of the head and then through the opening into the paranasal sinus. (google.com)
  • 3. A method as in claim 2 , wherein advancing the biopsy device comprises advancing it through a curved tubular guide disposed in the nostril. (google.com)
  • 10 . The irrigated ablation electrode assembly of claim 7 wherein the proximal portion comprises a material which is electrically nonconductive, and wherein the external surface of the proximal portion and the external electrode surface of the electrode at the distal portion meet at an intersection, and wherein the at least one proximal passageway is configured to direct a fluid flow through the outlet toward a region adjacent the intersection. (google.de)
  • diagnosis
  • Aug 18, 2017 - The American Society of Nuclear Cardiology (ASNC) and the Society of Nuclear Medicine and Molecular Imaging (SNMMI) have issued a joint consensus document on the role of F-18-FDG PET/CT in the diagnosis and treatment of cardiac sarcoidosis. (snmmi.org)
  • Using the available controls, the light source can be switched from standard imaging to diagnosis-enhancing SBI. (photonics.com)
  • Also despite the large amount of data in CT scans, MR scans and other digital-based imaging, there are many disease entities in which the classic diagnosis is obtained by plain radiographs. (wikipedia.org)
  • We performed a comprehensive assessment of the imaging characteristics of this rare tumor to determine whether there are features that suggest the diagnosis. (biomedsearch.com)
  • radiology
  • In assessing national biopsy utilization trends, Sharon W. Kwan, MD, a radiology resident at the University of California, San Francisco, and colleagues evaluated physician specialties and the relative roles of various biopsy approaches, including open, endoscopic and percutaneous methods. (healthimaging.com)
  • In the clinical context, "invisible light" medical imaging is generally equated to radiology or "clinical imaging" and the medical practitioner responsible for interpreting (and sometimes acquiring) the images is a radiologist. (wikipedia.org)
  • Research into the application and interpretation of medical images is usually the preserve of radiology and the medical sub-discipline relevant to medical condition or area of medical science (neuroscience, cardiology, psychiatry, psychology, etc.) under investigation. (wikipedia.org)
  • Combining over 1200 clinical images, 300 color illustrations and concise, bulleted text, Core Radiology is a comprehensive, up-to-date resource for learning, reference and board review. (google.com)
  • Play media Radiology is the science that uses medical imaging to diagnose and sometimes also treat diseases within the body. (wikipedia.org)
  • yield
  • Patients with anterior tumors have significantly lower yield on biopsy when compared to those that are posterior, both in terms of number of cores positive and length of cancer identified per core ( 1 ) . (pubmedcentralcanada.ca)
  • The yield rate of biopsies in small nodules is reported to be between 33-50% in tumors smaller than 3 cm. (wikipedia.org)
  • detection
  • Fusion platforms, which incorporate the MP-MRI into the biopsy itself and provide active targets within real-time imaging, have shown encouraging results in improving the detection rate of significant cancer. (hindawi.com)
  • complications
  • Practical Imaging Informatics describes the foundations of information technology and clinical image management, details typical daily operations, and discusses rarer complications and issues. (google.com)
  • clinical
  • Medical imaging is the technique and process of creating visual representations of the interior of a body for clinical analysis and medical intervention, as well as visual representation of the function of some organs or tissues (physiology). (wikipedia.org)
  • lung
  • Preliminary measurements gathered from patient's CT scans suggest that segmented images can be used for accurate analysis of total lung volume and volumes of regional lung parenchyma. (spie.org)
  • targets
  • Stereotactic body radiotherapy (SBRT) distinguishes itself by necessitating more rigid patient immobilization, accounting for respiratory motion, intricate treatment planning, on-board imaging, and reduced number of ablative radiation doses to cancer targets usually refractory to chemotherapy and conventional radiation. (jove.com)
  • patient
  • 8. The method of 1 , further comprising (a) obtaining images of the target and of the marker and (b) determining coordinates of the marker and the target in a reference frame external to the patient before acquiring the first target data. (google.ca)
  • an image is formed based on which rays pass through (and are detected) versus those that are absorbed or scattered in the patient (and thus are not detected). (wikipedia.org)
  • The advantage of intra-procedural imaging is that the patient and the diaphragm are in exactly the same position during 2D/3D imaging and the actual biopsy. (wikipedia.org)
  • fluorescent
  • In a different approach, use of only near-UV wavelengths is the basis of fluorescent imaging systems that can reveal both visible and nonvisible early stage cancers alike. (photonics.com)
  • Fluoroscopy and angiography are special applications of X-ray imaging, in which a fluorescent screen and image intensifier tube is connected to a closed-circuit television system. (wikipedia.org)
  • surgical
  • A hybrid operating room is a surgical theatre that is equipped with advanced medical imaging devices such as fixed C-Arms, CT scanners or MRI scanners. (wikipedia.org)
  • The repair of diseased heart valves and the surgical treatment of rhythm disturbances and aortic aneurysms can benefit from the imaging capabilities of a hybrid OR. (wikipedia.org)
  • nuclear medicine
  • Dec 18, 2017 - A Medicare administrative contractor in the southern U.S. has agreed to a recommendation from the Society of Nuclear Medicine and Molecular Imaging (SNMMI) to allow providers to bill for wastage when single-dose vials of radiopharmaceuticals are used. (snmmi.org)
  • Aug 10, 2017 - In the featured translational article in the August issue of The Journal of Nuclear Medicine, researchers at the University of Michigan demonstrate the potential of a new PET tracer, Carbon-11 labeled sarcosine, for imaging prostate cancer, and set the stage for its possible use in monitoring other cancers. (snmmi.org)
  • Aug 3, 2017 - The Society of Nuclear Medicine and Molecular Imaging (SNMMI) has published appropriate use criteria (AUC) for hepatobiliary scintigraphy in abdominal pain. (snmmi.org)
  • visualize
  • This provides an unobstructed imaging plane that can visualize the valve lea ets as they are engaged by the device and can aid in achieving both a proper bite and spacing between the neochordae implants. (spie.org)
  • tumor
  • Neuroendocrine Tumor Imaging With (68)Ga-DOTA-NOC: Physiologic and Benign Variants. (biomedsearch.com)
  • Imaging (abdominal ultrasonography, CT, and MRI) revealed that the tumor had spread to the mesosigmoid and the superior mesentery. (biomedsearch.com)
  • Intra-operative MRI is used to guide brain tumor surgery as well as placement of deep brain stimulation electrodes and interstitial laser thermal therapy. (wikipedia.org)
  • often
  • Moreover, these patients often require multiple biopsies, with increasing cumulative risk of procedure-related morbidities such as bleeding, urinary retention, infection, and occasionally urosepsis ( 6 , 7 ) . (pubmedcentralcanada.ca)
  • Medical imaging is often perceived to designate the set of techniques that noninvasively produce images of the internal aspect of the body. (wikipedia.org)
  • lower
  • It provides images in real-time, it is portable and can be brought to the bedside, it is substantially lower in cost, and it does not use harmful ionizing radiation. (wikipedia.org)
  • techniques
  • Lengths of cancer in the most involved core were also compared between the two biopsy techniques employed. (pubmedcentralcanada.ca)
  • Measurement and recording techniques which are not primarily designed to produce images, such as electroencephalography (EEG), magnetoencephalography (MEG), electrocardiography (ECG), and others represent other technologies which produce data susceptible to representation as a parameter graph vs. time or maps which contain data about the measurement locations. (wikipedia.org)
  • The term noninvasive is used to denote a procedure where no instrument is introduced into a patient's body which is the case for most imaging techniques used. (wikipedia.org)
  • Many of the techniques developed for medical imaging also have scientific and industrial applications. (wikipedia.org)
  • pathology
  • The ability to quantify particular imaging features of specific pathology and accurately assess progression or response to treatment with current imaging tools is relatively poor. (spie.org)
  • malignant
  • These were subsequently evaluated on their pixel-wise performance in classifying 43 benign and 42 malignant histopathologically confirmed regions of interest, using a prostate-based leave-one-out procedure. (springer.com)
  • rays
  • In the two latest systems, the X-rays strike sensors that converts the signals generated into digital information, which is transmitted and converted into an image displayed on a computer screen. (wikipedia.org)
  • These radiocontrast agents strongly absorb or scatter X-rays, and in conjunction with the real-time imaging, allow demonstration of dynamic processes, such as peristalsis in the digestive tract or blood flow in arteries and veins. (wikipedia.org)
  • tool
  • successively, manually corrected using either LASSO TOOL or DIRECT SELECTION TOOL to make 557 segmented images. (spie.org)
  • medical images
  • Medical images are stored digitally in the picture archiving and communication system (PACS) where they can be viewed by all members of the healthcare team within the same health system and compared later on with future imaging exams. (wikipedia.org)