نتایج جستجو برای: contrast scan
تعداد نتایج: 465873 فیلتر نتایج به سال:
Background: Primary localized mediastinal mesothelioma is a rare tumour which accounts for about 0.7% of all mesotheliomas. The mesothelial cells lining the pericardium are suggested as most probable origin. Mediastinal pleural distinctly uncommon, has only been reported in single case. Case presentation: We report case 57 years old man with primary involving middle and posterior upper mediasti...
Three-Dimensional Images by Helical CT Scan with Intra-Arterial Injection of Diluted Contrast Medium
Optimising the scan delay for arterial phase imaging of the liver using the bolus tracking technique
OBJECTIVE To optimize the delay time before the initiation of arterial phase scan in the detection of focal liver lesions in contrast enhanced 5 phase liver CT using the bolus tracking technique. PATIENTS AND METHODS Delay - the interval between threshold enhancement of 100 hounsfield unit (HU) in the abdominal aorta and commencement of the first arterial phase scan. Using a 16 slice CT scann...
Coronary arteries are the blood vessels supplying oxygen-rich blood to the heart muscles. Coronary artery calcium (CAC), which is the total amount of calcium deposited in these arteries, indicates the presence or the future risk of coronary artery diseases. Quantification of CAC is done by using computed tomography (CT) scan which uses attenuation of xray by different tissues in the body to gen...
introduction: mandibular fracture is the most common facial bone fracture due to facial trauma. a variety of imagings have been used for diagnosis of mandibular fractures. however, the choice of imaging for diagnosis of mandibular fractures is controversial.present study compares the accuracy of the three most common imaging methods in mandibular fracture diagnosis panoramic radiography, corona...
To establish a protocol for a multi-phase computed tomography (CT) of the canine pancreas using the bolus-tracking technique, dynamic scan and multi-phase CT were performed in six normal beagle dogs. The dynamic scan was performed for 60 sec at 1-sec intervals after the injection (4 ml/sec) of a contrast medium, and intervals from aortic enhancement appearance to aortic, pancreatic parenchymal ...
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