• Sixty five patients with suspicious pancreatic tumours received contrast enhanced coded phase inversion harmonic ultrasonography, contrast enhanced computed tomography, and endosonography. (bmj.com)
  • The vascular patterns of tumours obtained by contrast enhanced ultrasonography were closely correlated with those obtained by contrast enhanced computed tomography. (bmj.com)
  • Values for sensitivity in depicting pancreatic tumours of 2 cm or less in size were 68% for contrast enhanced computed tomography, 95% for endosonography, and 95% for contrast enhanced ultrasonography. (bmj.com)
  • The diagnosis of pancreatic cancers, particularly their differential diagnosis from chronic pancreatitis, has often been difficult, even when a combination of various imaging modalities such as ultrasonography (US), magnetic resonance cholangiopancreatography (MRCP), endoscopic retrograde cholangiopancreatography (ERCP), endosonography (EUS), contrast enhanced computed tomography (CT), and catheterised angiography are employed. (bmj.com)
  • Computed tomography (CT) scanning and magnetic resonance imaging (MRI) have higher sensitivity in detecting pheochromocytomas than nuclear medicine scanning with iodine-131 metaiodobenzylguanidine ( 131 I-MIBG), although 131 I-MIBG uptake is more specific. (medscape.com)
  • Positron emission tomography (PET) is also an alternative imaging test, with agents such as 18F-deoxyglucose (F-FDG), 18F-dihydroxyphenaline (F-DOPA), and 18F-fluorodopamine (F-FDA) being used in cases of negative 123 I-MIBG when there is a high clinical and laboratory suspicion. (medscape.com)
  • This study evaluatedwhether ultrasonography (USG) or computed tomography (CT) is the most helpful imagingmodality for the accurate preoperative diagnosis of pilomatricoma in head and neck regions ofchildren and adolescents. (gnu.ac.kr)
  • Radiocontrast media (RCM) are a group of medical drugs used to improve the visibility of internal organs and structures of X-ray based imaging, such as plain film radiography and computed tomography (CT) scans. (allergy.org.au)
  • Patients initially received clinical and pertinent laboratory evaluation, followed by a structured imaging protocol including chest and abdominal radiography, abdominal ultrasonography, and computed tomography (CT). (aafp.org)
  • The aim of the present study was to assess ultrasonography (US) for the detection of inflammatory and destructive changes in finger and toe joints, tendons, and entheses in patients with psoriasis-associated arthritis (PsA) by comparison with magnetic resonance imaging (MRI), projection radiography (x-ray), and clinical findings. (biomedcentral.com)
  • ultra- + L. sonus, sound, + G. grapho, to write] Doppler u. application of the Doppler effect in ultrasound to detect movement of scatterers (usually red blood cells) by the analysis of the change in frequency of the returning echoes.In many settings, ultrasound has supplanted x-radiography as the imaging method of choice, because it poses no known risk to patients and is noninvasive and of moderate cost. (theodora.com)
  • The rates of diagnostic accuracy of 11 different imaging strategies were compared, including clinical diagnosis with and without plain radiography, ultrasonography, CT, and a combination of various modalities. (aafp.org)
  • Contrast enhanced ultrasonography demonstrated tumour vessels in 67% of pancreatic ductal carcinomas, although most were relatively hypovascular compared with the surrounding pancreatic tissue. (bmj.com)
  • The researchers are trying to see whether contrast-enhanced ultrasonography, shear wave elastography, strain imaging, and 3-D volume ultrasonography improves arterial wall visualization and identifies arterial elastic properties among individuals with fibromuscular dysplasia (FMD), atherosclerosis, personal history of spontaneous coronary artery dissections (SCAD), or personal history of segmental arterial mediolysis (SAM) that may be different compared to those without the aforementioned conditions. (mayo.edu)
  • The overall goal of this combined contrast-enhanced ultrasonography and intravital microscopy technique is to simultaneously visualize muscle-resistant arteries and to study skeletal muscle micro-circulation perfusion in vivo. (jove.com)
  • Single image from a video recording of the duplex Doppler ultrasonographic evaluation of the jejunum in a nonsedated healthy rabbit. (avma.org)
  • All participants underwent the full colonoscopy in addition to real time and color Doppler ultrasonography. (scirp.org)
  • In most cases, ischaemic conditions are investigated with Doppler ultrasonography. (springer.com)
  • In most cases, Doppler ultrasonography (US) is the first imaging modality to be performed. (springer.com)
  • Tumour vascularity was evaluated by using the two types of imaging. (bmj.com)
  • Musculoskeletal echinococcosis are typically asymptomatic and the cyst abscess and fat suppressed T2 images is very rare because few embryos can presents as a slow growing soft tissue showed 3 small cysts suggestive of hy- escape the capillary filtrating systems of tumour [2]. (who.int)
  • Seronegativity does not ex- clude the diagnosis hydatidosis, but se- ropositivity may be helpful if diagnosis is difficult, especially when the cyst mim- ics a tumour or abscess and imaging appearance is not specific [1,7]. (who.int)
  • Laméris and colleagues conducted a prospective, fully paired diagnostic accuracy study to evaluate various imaging strategies for detecting urgent conditions in patients with acute abdominal pain. (aafp.org)
  • The American College of Radiology recommendation (i.e., ultrasonography for right upper quadrant pain and CT for pain in other quadrants or diffuse abdominal pain) was also evaluated, as were age and body mass index-driven imaging strategies. (aafp.org)
  • For evaluating acute abdominal pain, a conditional strategy using CT after negative or inconclusive ultrasonography had the highest sensitivity in detecting urgent conditions, with the lowest overall exposure to radiation. (aafp.org)
  • Thyroid hormone homeostasis is illustrated in the image below. (medscape.com)
  • Thyroid imaging and radiotracer thyroid uptake measurements, combined with serologic data, enable specific diagnosis and appropriate patient treatment. (medscape.com)
  • Timing of thyroid ultrasonography in the etiological investigation of congenital hypothyroidism. (thyroid.org)
  • This study was intended to document normal ultrasonographic appearance of the equine shoulder and anatomic landmarks useful in clinical imaging. (avmi.net)
  • Ultrasonography images were compared to frozen specimens and MRI images to correlate the ultrasonographic findings to the gross anatomy of the shoulder. (avmi.net)
  • Ultrasonographic findings correlated well with MRI images and with gross anatomy in the cadavers' limbs. (avmi.net)
  • A sonogram, or an ultrasonography, is an ultrasound-based imaging method generally used in medical practices to visualize bodies that lie beneath a patient's skin, including tendons, muscles, vessels, internal organs, and fetuses. (pheonixsonograms.com)
  • Ultrasonography allowed easy evaluation of the biceps brachii and the infraspinatus tendon and their bursae, the supraspinatus muscle and tendons, the superficial muscles of the shoulder, and the underlying humerus and scapula. (avmi.net)
  • It is the imaging method of choice in the evaluation of suspected acute appendicitis due to the lack of non-ionising radiation and dynamic ability. (springer.com)
  • MRI is also the imaging method of choice for the evaluation of vascular tumours and the determination of their anatomic extent [ 6 , 7 ]. (springer.com)
  • Diagnostic radiology : an Anglo-American textbook of imaging / edited by Ronald G. Grainger, David J. Allison. (who.int)
  • Results Preoperative imaging examinations were performed with USG in six cases and withCT in nine cases. (gnu.ac.kr)
  • Then, cases with improper injection, improper imaging process, the patients who had definite primary bone tumor, and the ones did not undergo follow-up examinations were excluded. (nature.com)
  • Contrast enhanced coded phase inversion harmonic ultrasonography successfully visualised fine vessels in pancreatic tumours and may play a pivotal role in the depiction and differential diagnosis of pancreatic tumours. (bmj.com)
  • The results of a Cochrane Systematic Review of imaging modalities for the noninvasive diagnosis of endometriosis concluded that none of the imaging modalities were able to detect overall pelvic endometriosis with enough accuracy to replace surgery. (medscape.com)
  • Aim: To assess the potential role of bowel transabdominal bowel ultrasonography in the diagnosis and follow-up of IBD. (scirp.org)
  • Conclusion In the preoperative diagnosis of pilomatricoma, imaging modalities such as CTand USG are helpful, with CT offering higher diagnostic accuracy and USG procedural benefitsin younger children. (gnu.ac.kr)
  • Other imaging tests are done as needed to provide doctors with specific information to make a diagnosis. (msdmanuals.com)
  • So, we aimed to architecture an automatic image interpreting system to assist physicians for diagnosis. (nature.com)
  • Bedside ultrasonography is increasingly used in acute care settings to assist both diagnosis (eg, fluid accumulations or foreign bodies) and treatment (eg, intravenous catheterization or arthrocentesis). (msdmanuals.com)
  • Advances in imaging technology have dramatically improved the diagnosis and treatment of serious diseases in veterinary medicine. (gcvs.com)
  • Diagnostic imaging offers numerous specialized imaging services to obtain an accurate diagnosis, which will optimize medical treatment. (gcvs.com)
  • T2 daughter cysts led to a diagnosis of hy- very rare and represents 1%-5% of all weighted images showed a low-density datid cyst. (who.int)
  • T1 Figure 1 Left forearm mass and MRI is the imaging method of retracted fingers weighted images with fat suppressed choice for the differential diagnosis. (who.int)
  • Dynamic Ophthalmic Ultrasonography is a dynamic presentation of various ophthalmic and orbital entities encountered in the clinical setting. (chipsbooks.com)
  • Recently, the clinical availability of advanced CT imaging techniques, such as dynamic CTA and super-high-resolution (SHR)-CTA, has increased. (springer.com)
  • In this study, we constructed an AI model based on a DNN with 12,222 cases of 99m Tc-MDP bone scintigraphy images from patients with definite clinical conclusions. (nature.com)
  • MR imaging is frequently performed with MRA to distinguish between vascular malformations, vascular tumours, and perivascular tumours. (springer.com)
  • Some authors prefer to use MIBG uptake scanning as the initial screening modality because it enables whole-body imaging, making it useful for the detection of extra-adrenal tumors and metastatic deposits. (medscape.com)
  • However, with increased concerns regarding CT usage in children, ultrasound (US) is the imaging modality of choice in patients where appendicitis is suspected. (springer.com)
  • Ultrasonography is a noninvasive procedure, thus procedural complications are unlikely. (msdmanuals.com)
  • Ovaries may not be clearly identified on transabdominal images. (medscape.com)
  • For the first time in ophthalmic literature, Dynamic Ophthalmic Ultrasonography dynamically presents the basic ultrasound movements observed in the eye and orbit. (chipsbooks.com)
  • Considering these advances, the application of DNNs-based AI system in analysis of nuclear BS image is worth pursuing. (nature.com)
  • Patients who may be referred for imaging of the adrenal glands include those with new or worsening diabetes mellitus (owing to impaired glucose regulation) and those with hypertensive crisis after anesthesia, surgery, or treatment with medications. (medscape.com)
  • Imaging may also be performed in patients with a known history of multiple endocrine problems. (medscape.com)
  • The Endocrine Society recommends CT as the initial imaging study, but MRI is a better option in patients with metastatic disease or when radiation exposure must be limited. (medscape.com)
  • Using M-mode ultrasonography, diaphragmatic dysfunction was found in a substantial number of medical intensive care unit patients without histories of diaphragmatic disease. (lww.com)
  • Ultrasonography of the diaphragm may be useful in identifying patients at high risk of difficulty weaning. (lww.com)
  • We collected 13,477 cases of BS images from patients suspected to have bone metastasis and underwent whole-body BS between January 1st, 2016, and June 30th, 2018. (nature.com)
  • The related diagnostic imaging is associated with increases in hospital cost and radiation exposure to patients. (aafp.org)
  • Patients whose symptoms were not deemed severe enough to warrant imaging were excluded, as were pregnant women and patients in acute shock from gastrointestinal bleeding or ruptured aortic aneurysm. (aafp.org)
  • Because of atypical presentations and the risk of potential complications, imaging is often requested. (springer.com)
  • Following initial gonad ultrasound determination, a subset of another cohort of 5 year-old ( n = 62) red abalone produced at the UC Davis Bodega Marine Laboratory were monitored using ultrasonography to detect seasonal changes in gonad size for 7 weeks. (frontiersin.org)
  • Coded phase inversion harmonic ultrasonography, a newly available sonographic technique, enables visualisation of slow flow in minute vessels in a real time fashion with the use of a sonographic contrast agent containing monosaccharide. (bmj.com)
  • Transverse ultrasound image of the canine prostate with changes typical of benign hyperplasia. (merckvetmanual.com)
  • Ultrasound imaging in ovarian masses: benign or malignant? (cambridge.org)
  • Following assessment of an organ and the surrounding structures, ultrasound imaging is used to guide needle placement into a selected tissue or cavity. (vcahospitals.com)
  • Sound waves make images of the structures in your anus and rectum. (uclahealth.org)
  • Mean gonad thickness determined via ultrasound imaging was categorized on a scale of 1-5, with an index of 1 being the lowest (gonad tissue thin or absent) and an index of 5 being the highest (gonad margin has increased and is compressing the digestive gland) for red abalone. (frontiersin.org)
  • Despite this segment of jejunum having visible movement in B-mode images during image acquisition, there is no excursion of the PWD tracing beyond baseline, indicative of a nonperistaltic wave. (avma.org)
  • This review describes and illustrates the step-wise graded-compression technique for the visualisation of the appendix, the normal and pathological appearances of the appendix, as well as the imaging characteristics of the common differentials. (springer.com)
  • Results of search for 'su:{Ultrasonography. (who.int)
  • However, the limited resolution of BS images makes the interpretation is time-consuming and experience-dependent work and has the disadvantages of subjectivity, error distinctive, and unsatisfied efficiency. (nature.com)
  • However, ultrasound requires interpretation and mental integration with the video image to create mental visualization of the anatomy. (sages.org)
  • The sign is an imaging finding using a 3.5-7.5 MHz ultrasound probe in the fourth and fifth intercostal spaces in the anterior clavicular line using the M-Mode of the machine. (wikipedia.org)
  • Reflected sound waves returning to the probe are used to create an image of the internal organs. (vcahospitals.com)
  • The purpose of this study is to characterize the sonographic appearance of canine parathyroid glands using high-resolution ultrasonography. (avmi.net)
  • The measurements in intercostal spaces on bestquality US images using a 3-cm ROI with its upper edge 2 cm below the liver capsule during breath-hold showed the highest intra-observer and inter-observer concordance (0.92 [95% confidence interval, 0.88 to 0.95] and 0.89 [0.82 to 0.96], respectively). (e-ultrasonography.org)
  • AC values obtained in intercostal spaces on best-quality images using a 3-cm ROI placed with its top 2 cm below the liver capsule were highly repeatable. (e-ultrasonography.org)
  • The highest repeatability of measurement with the attenuation imaging algorithm was obtained on bestquality images, positioning the upper edge of the region of interest 2 cm below the liver capsule, avoiding reverberation artifacts, and with a 3-cm region of interest. (e-ultrasonography.org)
  • During spontaneous breathing trial, each hemidiaphragm was evaluated by M-mode ultrasonography using the liver and spleen as windows with the patient supine. (lww.com)
  • A further study by Gaertner et al concluded the (18)F-LMI1195 is a promising tracer for tumor imaging. (medscape.com)
  • ICG florescence imaging is being studied under an IRB approved study at our institution. (sages.org)
  • Indocyanine green (ICG) fluorescence imaging allows for real-time anatomic differentiation during adrenal surgery. (sages.org)
  • Our group is formally analyzing the utility of ICG florescence imaging in comparison to traditional video and ultrasound techniques in laparoscopic surgery. (sages.org)
  • Figure 3 Mass incision showing many daughter vesicles, pus and flexor muscle necrosis cysts, especially in fat suppressed T2 weighted images [4]. (who.int)
  • This Special Issue is a collection of selected papers from the 3rd European Congress on Imaging Infection and Inflammation ( www.nuclearmedicinediscovery.org/events.asp ). (mdpi.com)
  • When the first microbubble signal appeared in the pancreas, images of the ideal scanning plane were displayed in a real time continuous fashion (vessel images). (bmj.com)
  • 1- 9 However, there are still inherent limitations for observation of real time vessel image because of artefacts such as blooming or overpainting. (bmj.com)
  • Ultrasonography was performed with a real-time B-mode semiportable sector scanner using 7.5- and 5-MHz transducers. (avmi.net)
  • According to the Society of Surgical Oncology (SSO) Endocrine and Head and Neck Disease Site Working Group, pheochromocytomas constitute about 4-8% of all adrenal incidentalomas, and approximately 21.1-57.6% of all pheochromocytomas are discovered incidentally on imaging studies. (medscape.com)