All the patients received the transnasal endoscopic surgical technique, using the septonasal bidirectional mucoperiosteal flap. The patients were not placed the expansion tube postoperatively. 所有患者均接受了经鼻腔鼻内镜下后鼻孔成形术,术中使用鼻中隔双向粘骨膜瓣,术后未放置硅胶扩张管。
[ Abstract] Objective To discuss the effects of septonasal bidirectional mucoperiosteal flap in the treatment of refractory choanal atresia in adults. [摘要]目的探讨鼻中隔双向粘骨膜瓣治疗成人难治性后鼻孔闭锁的效果。