نتایج جستجو برای: computed tomography angiography
تعداد نتایج: 295669 فیلتر نتایج به سال:
PURPOSE To summarize and compare the validity of computed tomography angiography, magnetic resonance angiography, ultrasonography, captopril renal scintigraphy, and the captopril test for diagnosis of renal artery stenosis in patients suspected of having renovascular hypertension. DATA SOURCES For each diagnostic modality, published studies were identified by MEDLINE literature searches. ST...
PURPOSE To evaluate the clinical value of computed tomography angiography (CTA) in reducing the risk of hemorrhage associated with mini-percutaneous nephrolithotomy (PCNL). MATERIALS AND METHODS A total of 158 patients with renal or ureter stones who had undergone mini-percutaneous nephrolithotomy were retrospectively enrolled into this study from May of 2011 to April of 2014. Group 1 (65 pat...
During this presentation, the most current post processing techniques available for CT angiography will be reviewed. The audience will understand the application of these tools for optimal image interpretation. Imaging and workflow protocols will be introduced, with the emphasis on improving patient care, as part of a multidisciplinary team.
BACKGROUND AND PURPOSE A spot sign is a bright spot on computed tomography angiography source images, which is predictive of hematoma growth in spontaneous intracerebral hemorrhage, although the cause of the spot sign is unclear. Our aim was to investigate the spot sign seen on computed tomography angiography and a striate artery, which is a presumed site of intracerebral hemorrhage bleeding or...
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