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外耳道胆脂瘤是一种由于各种原因引发外耳道发生脱屑、胆固醇结晶堆积、角化上皮包裹所致的一种慢性炎性疾病,致病原因迄今尚未完全明确,临床并不少见,胆脂瘤病变不仅局限于外耳道,部分病变可侵及外耳道后壁、乳突或鼓室等;我科自2007年2月至2010年6月共治疗病理确诊为外耳道胆脂瘤患者28例,报告如下。
External auditory canal cholesteatoma is a kind of chronic inflammatory disease caused by various reasons causing desquamation of external auditory meatus, accumulation of cholesterol crystals, and keratinization of epithelial epithelium. The etiological factor has not yet been completely clear and clinically not uncommon. Cholesterol Tumor lesions are not limited to the external auditory meatus, some lesions may invade the posterior wall of the external auditory canal, mastoid or tympanic cavity; our department from February 2007 to June 2010 were treated pathologically diagnosed as external auditory canal cholesteatoma in 28 cases, the report is as follows.