26例外耳道骨瘤患者临床特征分析

Clinical study of 26 patients with osteoma in the external

目的:总结外耳道骨瘤的诊治经验。方法:回顾性分析行手术治疗的26例外耳道骨瘤患者的临床资料。结果:患者均行手术切除肿物,病理学诊断均为骨瘤。22例术前传导性听力下降者听力恢复正常,2例术前混合性听力下降者气导听力分别平均提高15、20dB。随访1年以上未见复发及并发症发生。结论:外耳道骨瘤是一种少见的良性肿瘤,诊断可以借助颞骨CT扫描;需与外耳道骨疣鉴别,确诊依靠病理检查;手术是外耳道骨瘤的惟一治疗方法。

Objective：To summarize the experience of diagnosis and treatment on osteoma in the external auditory canal.Method： Retrospective study were undertaken in 26 patients with osteoma in the external auditory canal operated in author＇s unit.Result：Osteomas were removed through intrauricular approach in all patients and confirmed by histopathological examination.The hearing of 22 patients with conductive hearing loss became normal after operaion.The air conduction hearing threshold in 2 patients with mixed hearing loss improved average 15 dB and 20 dB respectively after operaion.The follow up was more than 1 year,and no recurrence or complications had occurred.Conclusion：Osteoma in the external auditory canal is an uncommon benign lesion.The method of choice in diagnosis is temporal bone CT scan.Osteoma must be distinguished from exostosis in the external auditory canal.Osteoma is confirmed by pathological diagnosis and surgery is the only method for treatment.