本文报道两例成人外耳道骨瘤并发中耳乳突胆脂瘤。因外耳道进行性阻塞,听力减退6～8年继而耳道或耳后流脓而入院。查外耳道被坚硬半球形或椭圆形肿物填满。乳突X线摄片:骨性外耳道内有与骨密质一致的肿物阴影,鼓窦区骨质透亮度增高。在局麻下手术,见骨瘤基底宽,均附着于外耳道后壁,骨瘤压迫使 This article reports two cases of adult external auditory canal osteoma with middle ear milk cholesteatoma. Obstruction due to external auditory meatus, hearing loss 6 to 8 years followed by ear or ear purulent and admitted. Check the external auditory canal is hard hemispherical or oval tumor filled. Mastoid X-ray: Bone external auditory canal consistent with the mass of the shadow of the mass of the tumor, increased permeability of the bone in the sinus area. Under local anesthesia surgery, see the basal tumor wide, are attached to the posterior wall of the external auditory meatus, osteoma compression