乳突根治术腔存在的问题包括美容效果较差、配戴助听器困难、增加感染以及需频繁清理,关于乳突手术外耳道后壁去留与否的争论已持续数十年。乳突根治术的概念被接受后不久,人们就开始尝试用各种材料重建外耳道后壁和/或闭塞乳突腔。该作者报道36例用羟基磷灰石(HA)重建外耳道后 The problems with radical mastoidectomy include poor cosmetic results, difficulty wearing hearing aids, increased infection, and frequent cleanups. The debate about the presence or absence of the posterior wall of the external auditory canal has lasted for decades. Shortly after the concept of mastoidectomy was accepted, attempts were made to reconstruct the posterior wall of the external auditory canal and / or to occlude the mastoid cavity with various materials. The authors reported 36 cases of hydroxyapatite (HA) reconstruction of the external auditory meatus