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方法对2006 ~ 2009年间27例中耳胆脂瘤患者，利用软骨和混合骨粉行上鼓室乳突填塞术的手术方法、手术结果、术腔情况作回顾性分析。
METHODS The clinical data of 27 patients with cholesteatoma who underwent mastoid obliteration with autologous mixed bone pate from 2006 to 2009 were retrospectively studied.
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