先天性输尿管瓣膜症临床少见 ,我院 1 990年 5月～ 1 998年 3月收治 4例 ,经手术治疗 ,效果良好。现报告如下。1　临床资料本组 4例 ,男 1例 ,女 3例 ,年龄 2 5～ 50岁。均以腰部胀痛为主要症状 ,无尿路刺激症状 ,其中 2例并发肾结石。瓣膜位于肾盂输尿管连接部 2例 ,输尿管中 Congenital ureteral valve disease is rare, our hospital from May 1990 to March 1998 4 cases were treated by surgery, the effect is good. The report is as follows. 1 Clinical data The group of 4 patients, 1 males and 3 females, aged 25 to 50 years old. All the main symptoms of lumbar pain, no urinary tract irritation, including 2 cases of kidney stones. Valve in the ureteropelvic junction in 2 cases, the ureter