我院收治原发外耳道腺样囊性癌1例,分析如下。1病历摘要女,57岁。因左耳反复疼痛、瘙痒6 a,伴左耳后渐进性增大包块、外耳道流血水1 a入院,发病初在外院诊为神经痛,后诊为慢性中耳炎,予以抗炎及对症治疗无效。2008-05来我科求治,行颞骨CT检查提示左侧外耳道后壁密度均匀软组织 1 cases of primary external auditory canal cystic carcinoma treated in our hospital, analysis is as follows. 1 medical record summary female, 57 years old. Due to repeated pain in the left ear, itching 6 a, with the left ear gradually increased mass, external auditory canal bleeding 1 a admission, early onset in the out-patient diagnosis of neuralgia, after diagnosis of chronic otitis media, anti-inflammatory and symptomatic treatment is invalid . 2008-05 to our department for treatment, line temporal bone CT examination prompted the average density of posterior wall of the left ear canal soft tissue