Methods:The abdominal and perineal approaches were performed simultaneously.Laparoscopiclly, a 15 cm segment of the ileum was selected and dissected with ultrasonically powered instruments.

• 方法:应用腹腔镜引导,配合使用超声刀、线形切割器,不开腹完成肠系膜分离、回肠段切取、肠端吻合、回肠段下拉移植阴道成形。