尿道上裂,顾名思义是尿道背侧部分或全部缺如造成尿道口位于阴茎背侧(男性)或尿道背侧裂开伴有阴蒂裂开及阴唇上方分离(女性)的一种罕见的先天性畸形。现将近年来查阅到的文献作一综述。发病率尿道上裂的临床发现约30,000个新生儿中1例,男性多于女性,约3—4:1。也有认为发病率可能 Urethral fissure, as the name implies, is a rare congenital malformation of the urethra caused by a partial or total absence of the urethral orifice in the dorsal (male) or urethral dorsal cleft associated with cleft incision and separation above the labia (female) . The literature reviewed in recent years is reviewed. The incidence of hypospadias clinical findings of about 30,000 newborns in 1 case, more men than women, about 3-4: 1. There is also the possibility of morbidity