Objective : To investigate the reasons of the second cholesteatoma of postoperative tympanoplasty.目的: 探讨单纯鼓室成形术后发生胆脂瘤的原因并提出预防措施.Objective To study the cause and treatment of external acoustic meatus cholesteatoma.目的探讨外耳道...

n.珠光瘤...

cholesteatoma的音标：cholesteatoma的英式发音音标为：[kəʊlɪsti:ə'təʊmə]cholesteatoma的美式发音音标为：[koʊlɪstiə'toʊmə]...