1995年 8月～ 1 999年 1 0月 ,我们应用阑尾代输尿管术治疗因外伤及肿瘤所致右侧输尿管腰段病变缺损 ,疗效满意。现报告如下。1　一般资料本组 4例均为男性 ,年龄 7～ 70岁 ,平均 38.5岁。其中右输尿管外伤输尿管部分缺损 ,端端吻合困难 2例 ;右侧输尿管肿瘤行肿瘤段输尿管切除 August 1995 ~ January 1999 10 months, we apply the appendix on behalf of the ureter on the right side due to trauma and tumor ureter lumbar lesions, the effect is satisfactory. The report is as follows. 1 General Information The group of 4 patients were male, aged 7 to 70 years, mean 38.5 years old. The right ureteral trauma ureter defect, end-to-end anastomosis in 2 cases; the right ureteral tumor tumor segment ureteral resection