原发性输尿管肿瘤为少见疾病,往往易被忽视,我科自1986年7月至今收治12例原发性输尿管肿瘤,均经手术及病理证实。临床资料 12例原发性输尿管肿瘤中男9例,女3例,年龄30～68岁。均有不同程度的无痛性、间歇性血尿,4例患侧腰部钝痛。有1例外伤后血尿,经系统检查发现输尿管肿瘤。6例行B超检查均见有肾及输尿管积水扩张改变。12例均行膀胱镜检查,有7例可见输尿管口 Primary ureteral tumor is a rare disease, often easily overlooked, our department since July 1986 has been treated 12 cases of primary ureteral tumors, both confirmed by surgery and pathology. Clinical data 12 cases of primary ureteral tumors in 9 males and 3 females, aged 30 to 68 years. There are varying degrees of painless, intermittent hematuria, 4 patients with lumbar dull pain. One case of post-traumatic hematuria found ureteral tumor by systematic examination. 6 routine B-ultrasound showed renal and ureteral hydronephrosis expansion change. 12 cases underwent cystoscopy, 7 cases of visible ureteral orifice