输尿管开口异位是一种先天性发育异常,常伴发肾盂,输尿管重复畸形。临床上较少见。国外文献统计已有700余例。国内文献报道不过150例。本病女性较男性多见,约4∶1。我院泌尿外科自1975～1989年共收治输尿管开口异位9例现报告如下: 临床资料本组病例均为女性,年龄最小4岁,最大18岁,平均13.8岁。异位开口于阴道前庭左侧1例,右侧2例;阴道左侧壁3例,右侧壁2例;尿道1 Ectopic ureter is a congenital dysplasia, often accompanied by renal pelvis, ureteral duplication. Clinically rare. There are more than 700 foreign literature statistics. However, 150 cases reported in the domestic literature. The disease more common in women than men, about 4: 1. Urology in our hospital since 1975 to 1989 were treated with a total of 9 cases of ectopic ureter are reported as follows: Clinical data The patients were female, the youngest 4 years old, maximum 18 years old, average 13.8 years old. Ectopic opening in the left vagina vestibular in 1 case, 2 cases of right; vaginal left side wall in 3 cases, right side wall in 2 cases; urethra 1