Methods The strictured or atresic anterior urethra is longitudinally incised and a free graft of buccal mucosa was used as a ventral onlay.

• 方法将狭窄或闭锁的前尿道于腹侧纵形劈开,采用口腔颊粘膜补片法治疗复杂性前尿道狭窄患者6例7次。