The scar was excised before grafting.A silastic tube with multiple side holes was placed through the neourethra into the bladder as a stent and for urinary drainage.

• 方法：将严重狭窄和(或)无法修补的尿瘘瘢痕组织彻底切除，取膀胱粘膜片形成尿道，正位开口于龟头，新尿道内置多孔硅胶支架管作引流。