“脂瘤”造句

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 investigate the reasons of the second cholesteatoma of postoperative tympanoplasty.

目的探讨外耳道胆脂瘤的病因和治疗方法.
Objective To study the cause and treatment of external acoustic meatus cholesteatoma.

目的: 探讨岩部胆脂瘤的临床特征及手术方法.
Objective : To explore the clinic characteristic petrous bone cholesteatoma.

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