CT Evaluation of Renovascular Disease

摘要: Computed tomography (CT) plays an important role in evaluation and management of primary renovascular disease. Nonenhanced CT is useful for demonstrating renal hemorrhage, parenchymal or vascular calcifications, masses. Contrast material–enhanced essential to identify global regional nephrographic abnormalities resulting from the process (eg, infarcts, ischemia secondary artery stenosis, arteriovenous communications). In addition, manifestations a systemic disease vasculitis, thromboembolic disease) can be seen at CT. trauma, occlusion main accurately diagnosed with contrast-enhanced cases spontaneous hemorrhage without apparent cause coagulopathy), careful study should performed exclude cell carcinoma. The presence fat hemorrhagic mass larger than 4 cm diameter characteristic angiomyolipoma complicated by hemorrhage. Acute vein thrombosis...