膀胱癌是泌尿系统最常见的恶性肿瘤,在近年来其发病率逐渐上升。因其手术后易复发,我院从1997年1月开始用大剂量(40mg)丝裂霉素C膀胱内灌注预防膀胱癌复发。经随访,近期未见肿瘤复发,现报告如下:1 临床资料1.1 一般资料:本组共21例,男16例,女5例。年龄34~75岁,平均52.3岁。均行膀胱部分切除术。其中单个病灶1例,2 Bladder cancer is the most common malignant tumor of the urinary system, and its incidence has gradually risen in recent years. Because of its easy to relapse after surgery, our hospital from January 1997 began with a large dose (40mg) mitomycin C intravesical instillation of bladder cancer recurrence. After follow-up, no recent tumor recurrence, are as follows: 1 Clinical data 1.1 General Information: The group of 21 cases, 16 males and 5 females. Age 34 to 75 years, mean 52.3 years old. All partial bladder resection. One single lesion in 1 case, 2