会阴型尿道下裂时,尿道外口位子会阴部,阴茎短小,高度弯曲,阴囊常萎缩分裂,畸形严重。由于尿道缺损较长,手术时修复尿道需用较大面积的皮瓣,而可供用的阴茎、阴囊皮肤常感不足,致手术困难;若用其他器官如阑尾、大隐静脉、浆膜等代替尿道,不仅手术复杂而成功率也不高。目前有较多作者采用膀胱粘膜一期修补术,此法符合生理条件,手术 Perineal hypospadias, the urethral mouth seat perineal, short penis, highly curved, scrotum often atrophic cleft, deformity. Due to the longer urethral defect, the urethra needs to be covered with a larger area when the operation is performed. However, the available penis and scrotal skin often feel inadequate, making the operation difficult. If other organs such as the appendix, saphenous vein and serosal are used instead Urethra, not only the complexity of surgery and the success rate is not high. At present, there are more authors using a one-stage repair of bladder mucosa, this method is in line with physiological conditions, surgery