目的：探讨开放式鼓室成形术治疗胆脂瘤中耳炎的疗效。

Objective: to investigate the effect of open tympanoplasty for patients with cholesteatoma of the middle ear.

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目的：探讨局限性上鼓室胆脂瘤型中耳炎临床分型与治疗方法。

Objective: to investigate the clinical classification and treatment of localized attic cholesteatoma through surgical management.

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材料与方法：回顾分析52例(55耳)经手术和病理证实的胆脂瘤型慢性中耳炎病人的HRCT扫描表现。

Materials and Methods: HRCT images of 52 patients (55 ears) with cholesteatoma were analyzed retrospectively. All cases were confirmed by operation and pathology.

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