患者，女，64岁。因右耳堵闷，听力下降，流脓水20d就诊。患者右侧外耳道内有一肿物，几乎完全堵塞耳道，经门诊局部及全身应用抗生素治疗，堵闷感减轻，流脓停止。入院时检查，见肿物基底位于耳道后上壁，堵塞耳道，肿物表面皮肤颜色正常与肿物无黏连，中度硬，无疼痛。乳突部 Patient, female, 64 years old. Due to the right ear block stuffy, hearing loss, pus flow 20d treatment. There was a tumor in the right external ear canal of the patient, which almost completely blocked the ear canal. The antibiotic treatment was applied to the local and systemic part of the patient to relieve stuffiness and stop the pus. Admission examination, see the tumor base located in the posterior wall of the ear canal, plug the ear canal, the surface of the tumor skin color and normal adhesions, moderate hardness, no pain. Mastoid