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目的:探讨外耳道胆脂瘤(EACC)的表现特征和处理方法。方法:对17例(21耳)入院手术治疗的EACC患者的临床资料进行回顾性研究,分析其病因、病史、临床表现和影像学特点,探讨这些特点对临床处理方法的影响。结果:8耳行外耳道成形和EACC切除;1耳术中仅行外耳道成形和EACC切除,待二期行鼓室成形手术;3耳清理鼓室内病变后将颞肌筋膜内植,行鼓膜修补。9耳采用耳后切口,行开放式乳突根治。结论:EACC的病因学特点和病变的范围决定其处理方式,颞骨CT有助于了解病变的范围,制定手术计划。
Objective: To explore the characteristics and treatment of external auditory canal cholesteatoma (EACC). Methods: The clinical data of 17 patients (21 ears) admitted to hospital for EACC were retrospectively studied. The etiology, history, clinical manifestations and imaging features were analyzed retrospectively. The effects of these characteristics on the clinical treatment were discussed. Results: 8 ears were treated with external ear canal forming and EACC resection. Only external ear canal formation and EACC resection were performed in 1 ear operation, and the tympanoplasty was performed in 2 cases. The temporal muscle fascia was implanted in 3 ears to repair tympanic membrane. 9 ears ear incision, open mastoidectomy. Conclusion: The etiological characteristics of EACC and the extent of the lesion determine its treatment. Temporal bone CT helps to understand the scope of the lesion and make a surgical plan.