The image studies, including ultrasound, IVU (intravenous urography) and CT (computerized tomography) scan, showed a tumor mass over the bladder base eith the appearance of indenting prostate.

• 本文发表一位七十岁女性病人因尿滞留求诊，经超音波扫描、尿路摄影术及电脑断层检查，显示膀胱基底部有一类似前列腺突起形状的肿瘤。