外耳道腺样囊性癌是发生于外耳道的一种很少见的恶性肿瘤。现将我科诊治的3例外耳道腺样囊性癌报告如下。患者1女,67岁。入院前半年,不明原因感右耳部疼痛,无听力下降,无耳流液及流脓等,入院查体:右耳外耳道下壁皮肤有一新生物突起,直径0.5 cm,质中等,色泽粉红呈肉芽状,鼓膜正常,无面瘫征。活检示:腺样囊性癌。在全 External auditory canal cystic carcinoma is a rare malignant tumor that occurs in the external auditory canal. Now my treatment of 3 cases of external auditory canal cystic carcinoma reported below. Patient 1 female, 67 years old. The first six months before admission, unexplained sense of right ear pain, no hearing loss, no fluid flow and pus, etc., admission examination: the right ear external auditory canal wall of a new biological protrusions, diameter 0.5 cm, medium in color pink Granuliform, normal tympanic membrane, no facial paralysis syndrome. Biopsy: adenoid cystic carcinoma. In the whole