Retroperitoneal varices in portal hypertension may simulate the appearance of neoplastic masses or adenopathy. Contrast-enhanced CT scans clarify the diagnosis of large vascular channels. Three patients with large retroperitoneal varices demonstrated on CT had confirmation by angiography.The venous collaterals in portal hypertension are usually best shown by angiographic techniques [1][2][3][4]. However,the use of computed tomography [CT) to demonstrate thoracic and abdominal varices in patients with portal hypertension has been recently described [5,6]. The purpose of this paper is to report 3 cases in which large retroperitoneal varices resembled tumor masses. Awareness that varices can simulate masses on non-contrast-enhanced CT scans may obviate an erroneous CT diagnosis. MethodsCT examinations were performed on a Delta 50 FS (case 1) or EMI 5005 (cases 2 and 3) scanner. Slice width was 13 mm with either contiguous (13 ram) or overlapping (10 ram) space increments. Intravenous contrast consisted of a bolus injection of 60-120 ml Renografin 60 (diatrizoate meglumine and diatrizoate sodium). Case 1 received a bolus injection of Renografin 60 followed by 300 ml Reno M Dip (diatrizoate meglumine). Case Reports Case ]A 58-year-old man with a history of alcohol-induced liver disease and hepatic encephalopathy was admitted for obtundation. During hospitalization, he became septic due to a urinary tract infection.
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