自1991年6月～1996年12月我们在窥视下行尿道内冷刀、电刀切开术治疗尿道狭窄和闭锁52例。除2例失败外，其余效果良好，总结报告如下。1临床资料52例中男性50例，女性2例，年龄16～77岁，平均39．5岁。前尿道狭窄／闭锁23例，后尿道狭窄或闭锁29例。病因：外伤35例（狭窄14例， From June 1991 to December 1996 we peeped down the urethral cold knife, electric knife incision urethral stricture and atresia in 52 cases. Except for 2 cases of failure, the rest of the results are good, the summary report is as follows. 1 Clinical data 52 cases of male 50 cases, 2 females, aged 16 to 77 years, mean 39.5 years old. Anterior urethral stricture / occlusion in 23 cases, posterior urethral stricture or atresia in 29 cases. Etiology: 35 cases of trauma (stenosis in 14 cases,