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外耳炎、慢性中耳炎反复发作可引起炎症后外耳道闭锁,手术切除耳道内疤痕组织,露出鼓膜中层及耳道骨质,并用分层皮片复盖,病人多可长期得益。外耳道闭锁病因包括:(1)耳部严重创伤、挫伤,尤其是前壁压迹性骨折伴下颌颈移位者;(2) 见之于中耳乳突手术后不久,尤其是开放式乳突凿开术重建外耳道失败或操作粗暴的鼓膜成形术病例;(3) 瘤性闭
External otitis media, recurrent chronic otitis media can cause inflammation of the external auditory canal atresia, surgical removal of scar tissue within the ear canal, exposing the middle of the tympanic membrane and ear canal bone, and covered with layered dermatome, the patient can long-term benefit. Causes of external auditory canal atresia include: (1) serious trauma to the ear, contusion, especially in the anterior wall of the fractured annulus with neck displacement; (2) seen in the middle ear mastoid surgery shortly after, especially open mastoid Open surgery to reconstruct the failure of the external auditory canal or rough tympanoplasty cases; (3) tumor closed