外耳道胆脂瘤也称外耳道阻塞性角化症。本病较少见，据有关文献报道发病率占耳科病的 ０．１％［１］。多发生于成人，以单耳发病为多见，患者以耳痛、耳痒、耳漏和耳聋就诊。据不完全统计我科门诊自１９８８－１９９６年经涂片化验证实外耳道胆脂瘤４８例（５１耳）。用１０％ External auditory canal cholesteatoma, also known as external auditory canal obstructive keratosis. The disease is rare, according to the literature reported incidence of otitis media accounted for 0.1% [1]. Occur in adults, with more common onset of monaural, patients with earache, itchy ears, ear leaks and deafness treatment. According to incomplete statistics, 48 ​​cases (51 ears) of external auditory canal cholesteatoma were confirmed by smear test from 1988 to 1996 in our department. With 10%