Computed tomographic evaluation of pear-shaped bladder.

Computed tomography (CT) was used to distinguish between pelvic lipomatosis and idiopathic inferior vena caval thrombosis as a cause of a pear-shaped bladder seen on intravenous urography. The findings on CT were explicit in explaining the patient's clinical problem.

Fibrosing mesenteritis simulating pelvic carcinomatosis.

A case of fibro-inflammatory thickening of the mesosigmoid simulating pelvic carcinomatosis on barium enema and ultrasound examination is presented. Histologic features of this case and cases of retractile mesenteritis and mesenteric panniculitis are discussed.