报告２０例原发性输尿管肿瘤，均经手术及病理证实，其中５例出现了多器官发病。就输尿管肿瘤的诊断及多器官发病进行了讨论，认为膀胱镜检查和逆行肾盂输尿管造影及螺旋ＣＴ对诊断是重要的，脱落细胞学检查对诊断是有帮助的，对输尿管肿瘤应注意其多器官发病。术后定期膀胱镜检查是重要的。 Report of 20 cases of primary ureteral tumors, both confirmed by surgery and pathology, of which 5 cases of multiple organ disease. On the diagnosis of ureteral tumors and multiple organ disease were discussed, that cystoscopy and retrograde pyelography and spiral CT is important for the diagnosis of cytology, cytology is helpful in the diagnosis of ureteral tumors should pay attention to its multiple organs Disease. Regular postoperative cystoscopy is important.