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探讨以粘连性中耳炎为主要表现的中耳胆脂瘤的形成机理及临床意义。方法：通过复习文献并对３例中耳胆脂瘤的临床表现进行分析。结果与结论：①该病属后天原发性胆脂瘤；②咽鼓管通气障碍及前、后鼓峡的阻塞导致内陷袋形成是胆脂瘤发生的直接原因；③颞骨ＣＴ对本病的诊断价值明显大于普通Ｘ线片；④术中如能彻底清除鼓室病变，可一期或分期行鼓室成形术。
To investigate the formation mechanism and clinical significance of middle ear cholesteatoma with adhesive otitis media. Methods: By reviewing the literature and analyzing the clinical manifestations of 3 cases of middle ear cholesteatoma. RESULTS AND CONCLUSION: ① The disease is an acquired natural cholesteatoma. ② Eustachian tube ventilation and occlusion of the anterior and posterior drum gorges lead to the formation of invagated sarcolemma which is the direct cause of cholesteatoma. ③ Temporal bone CT Of the diagnostic value is significantly greater than the ordinary X-ray; ④ if surgery can be completely removed tympanic membrane, one or stage tympanoplasty.