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男性先天性尿道下裂在白种人新生儿中的发病率为1∶113,国内也较常见。由于胚胎发育过程中生殖结节腹侧的尿生殖沟自后向前的闭合过程停止,致尿道发生不同程度的下裂,尿道口远侧的尿道海绵体发育不全以及阴茎腹侧的筋膜挛缩,将阴茎牵向腹侧造成向下弯曲畸形,影响排尿和生殖功能。临床按尿道海绵体发育所到达的位置,分为阴茎头型、阴茎体型、阴囊型及会阴型。所有病例均存在不同程度的阴茎弯曲。手术方法如下:①全麻下用1/500新洁尔灭作皮肤消毒,对耻骨联合、阴茎阴囊等部位局部浸洗5分钟。阴茎头用36~#钢丝贯穿牵引,自阴茎背侧正中冠状沟开始至阴茎根部以上2cm作纵切口达浅筋膜。由阴茎背神经
Male congenital hypospadias in white newborns in the incidence of 1: 113, more common in China. Due to the embryonic development of genital nodules in the ventral genital groove from the closure of the process after the closure of the front, causing varying degrees of urethral hypoglossal urethra, distal urethral hypoplasia and fascia contracture penile ventral , The penis led to the ventral bent down deformity, affecting urination and reproductive function. Clinically according to the location of urethral cavernous growth, divided into penis head type, penis size, scrotal and perineal type. In all cases there are varying degrees of penile curvature. Surgical methods are as follows: ① under general anesthesia with benzalkonium bromide for skin disinfection, the pubic symphysis, scrotum and other parts of the local dipped 5 minutes. Penis head with 36 ~ # wire through the traction, from the penis dorsal median coronal groove to the penis 2cm above the longitudinal incision for shallow fascia. By the penis dorsal nerve