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searching for Contrast CT 37 found (60 total)

Pyelogram (2,321 words) [view diff] exact match in snippet view article find links to article

resonance imaging (MRI). Also, the iodinated contrast medium used in contrast CT and contrast radiography can cause allergic reactions, including severe

Diverticulosis (2,443 words) [view diff] exact match in snippet view article find links to article

A colonoscopy should be performed 4–6 weeks after an acute episode. Contrast CT is the investigation of choice in acute episodes of diverticulitis and

High-attenuation crescent sign (268 words) [view diff] exact match in snippet view article find links to article

psoas muscle in contrast-enhanced CT and greater than the aorta in non-contrast CT imaging. Lee, Chris; Lynch, Richard (1 July 2015). "High-attenuation

Hemorrhagic infarct (1,049 words) [view diff] exact match in snippet view article find links to article

hemorrhage flows into surrounding tissues. Initial imaging will include a non-contrast CT head possibly followed by the use of contrast media to perform CT angiography

Thrombus perviousness (1,507 words) [view diff] exact match in snippet view article find links to article

ischemic stroke: CT scans without intravenous contrast (also called non-contrast CT, in short NCCT) combined with CT scans after intravenously administered

Computed tomography urography (646 words) [view diff] exact match in snippet view article find links to article

from within the ureters or from outside but compressing on the ureters. Contrast CT urography is also useful to monitor whether a tumour is responding to

Arachnoid granulation (783 words) [view diff] exact match in snippet view article find links to article

surface. CT angiography showing an arachnoid granulation in the right transverse sinus Non-contrast CT scan of the head showing an arachnoid granulation

Pilocytic astrocytoma (1,332 words) [view diff] exact match in snippet view article find links to article

Axial non-contrast CT in a nine-year-old girl showing a slightly hypodense mass in the tectum of the brainstem, compressing the aqueduct of Sylvius and

Medulloepithelioma (787 words) [view diff] exact match in snippet view article find links to article

isodense or hypodense with variable heterogeneity and calcification on non-contrast CT scan, and enhances with contrast. This radiographical finding is consistent

Baryte (2,235 words) [view diff] exact match in snippet view article find links to article

ceramics, and medical applications (for example, a barium meal before a contrast CT scan). Baryte is supplied in a variety of forms, and the price depends

Caroli disease (1,286 words) [view diff] exact match in snippet view article find links to article

many fluid-filled, tubular structures extending to the liver. A high-contrast CT must be used to distinguish the difference between stones and widened

Epidural hematoma (1,746 words) [view diff] exact match in snippet view article find links to article

hematoma, causing midline shift and compression of the ventricle. Non-contrast CT scan of a traumatic acute hematoma in the right fronto-temporal area

Hydronephrosis (2,695 words) [view diff] exact match in snippet view article find links to article

Urine jets Peripelvic renal cysts may look like hydronephrosis on non-contrast CT (left image). However, CT urography (at right) reveals non-dilated calyces

Ureteric stricture (1,226 words) [view diff] no match in snippet view article find links to article

same and can locate the stricture or narrowing especially if used with contrast (CT Urogram), it can delineate other pathologies that might contribute to

Radiography (4,231 words) [view diff] exact match in snippet view article find links to article

used in both projectional radiography and computed tomography (called contrast CT). Although not technically radiographic techniques due to not using X-rays

Intracranial hemorrhage (3,886 words) [view diff] exact match in snippet view article find links to article

include post-stroke epilepsy and vascular cognitive impairment. A non-contrast CT scan (computed tomography) of the brain is commonly used as the initial

CT Connect (2,249 words) [view diff] no match in snippet view article find links to article

server (now discontinued) could be used only on Novell networks. By contrast, CT Connect's client-server architecture permits client modules that offer

Gadolinium (5,750 words) [view diff] exact match in snippet view article find links to article

R. (1998). "Renal excretion of gadolinium mimicking calculi on non-contrast CT". Pediatric Radiology. 28 (6): 417. doi:10.1007/s002470050374. PMID 9634454

Image registration (2,588 words) [view diff] exact match in snippet view article find links to article

cycle-consistent transformer with multi-level consistency for non-contrast to contrast CT translation". Neurocomputing. 538: 126211. arXiv:2110.06400. doi:10.1016/j

Headache (8,025 words) [view diff] exact match in snippet view article find links to article

in Emergency Departments and hospitals and is cheaper than MRI. Non-contrast CT is best for identifying an acute head bleed. Magnetic Resonance Imaging

Bowel resection (2,886 words) [view diff] exact match in snippet view article find links to article

Initial evaluation in trauma includes a FAST ultrasound exam followed by contrast CT abdomen in stable patients. The most common bowel injury in trauma is

Meningioma (4,280 words) [view diff] exact match in snippet view article find links to article

observed for atypical meningioma. Meningiomas are visualized readily with contrast CT, MRI with gadolinium, and arteriography, all attributed to the fact that

Pancreatic neuroendocrine tumor (2,471 words) [view diff] exact match in snippet view article find links to article

hypervascular and readily visualized in the late arterial phase of the post-contrast CT study. However, morphological imaging alone is not sufficient for a definite

Hill–Sachs lesion (1,368 words) [view diff] exact match in snippet view article find links to article

with continuing shoulder instability after trauma, and using double contrast CT as a gold standard, a sensitivity of over 95% was demonstrated for ultrasound

Herculaneum papyri (5,651 words) [view diff] exact match in snippet view article find links to article

scrolls virtually, using X-ray phase-contrast tomography (XPCT, "phase-contrast CT"), possibly with a synchrotron light source. Proposed method has three

Amenhotep I (4,305 words) [view diff] no match in snippet view article find links to article

objects and bones which makes mummy characterization less satisfactory. In contrast, CT is an advanced form of X-ray that obtains hundreds of thin sections (slices)

Urbach–Wiethe disease (2,395 words) [view diff] exact match in snippet view article find links to article

antibodies reveals bright, thick bands at the dermoepidermal junction. Non-contrast CT scans can image calcifications, but this is not typically used as a means

Head injury (5,232 words) [view diff] exact match in snippet view article find links to article

also be assessed as an indicator of the severity of the injury. A non-contrast CT of the head should be performed immediately in all those who have sustained

Liver (10,337 words) [view diff] exact match in snippet view article find links to article

dissection plane to facilitate the liver transplantation procedure. Phase contrast CT image. Contrast is perfusing the right liver but not the left due to

Pancreatic cancer (13,579 words) [view diff] exact match in snippet view article find links to article

whether the tumor can be surgically removed (its "resectability"). On contrast CT scan, pancreatic cancer typically shows a gradually increasing radiocontrast

Ali A Haydar (807 words) [view diff] exact match in snippet view article find links to article

(April 2018). "Qualitative and quantitative radiological analysis of non-contrast CT is a strong indicator in patients with acute pyelonephritis". The American

Timeline of tuberous sclerosis (5,396 words) [view diff] no match in snippet view article find links to article

found a correlation with the number of cortical tubers identified. In contrast, CT was not a useful predictor, but was superior at identifying calcified

Phase-contrast X-ray imaging (13,663 words) [view diff] exact match in snippet view article find links to article

grating-based phase-contrast CT field was extended by tomographic images of the dark-field signal and time-resolved phase-contrast CT. Furthermore, the

Dense MCA sign (745 words) [view diff] exact match in snippet view article find links to article

normal flowing blood, leading to its hyperattenuating appearance on a non-contrast CT scan. The sign typically appears within the first few hours of arterial

Ultrasonography of liver tumors (5,451 words) [view diff] exact match in snippet view article find links to article

detect metastases a sensitivity of 80–95% is obtained, similar to that of contrast CT and MRI . Intraoperative use of the procedure increases its performance

X-ray diffraction computed tomography (1,768 words) [view diff] exact match in snippet view article find links to article

be corrected for self-absorption artefacts using an X-ray absorption-contrast CT scan of the same sample. If the solid-state chemistry of the sample is

Spinal cord stroke (3,033 words) [view diff] exact match in snippet view article find links to article

T2-weighted sequences and diffusion-weighted imaging (DWI). As the non-contrast CT and spine CT angiography are ineffective in imaging modalities, doctors