외이도 골종의 임상 양상
Clinical Analysis of External Auditory Canal Osteoma
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Background and Objectives External auditory canal osteoma is an uncommon benign lesionand represents as unilateral solitary pedunculated mass. The aim of this study is to evaluatethe clinical symptoms of osteoma and its treatment outcomes over a 10-year period in atertiary hospital. Subjects and Method Eight patients underwent operation to remove an external auditorycanal osteoma at Chungbuk National University Hospital from 2008 to 2017. The medical recordswere retrospectively reviewed with regard to clinical characteristics, size and location ofosteoma, method of surgery and treatment outcomes. Results The average age of patients was 41.8 years with the male predominance of 6:2. Allof the lesions in the osteoma were unilateral and solitary (average size 5.0 mm). All of the eightcases were pedunculated: in four cases, the stalks of the osteoma were found on the tympanomastoidsuture line and in three cases, it was found on the tympanosquamous suture line. Fourpatients were asymptomatic, where the lesions were found incidentally during unrelated evaluations. No patients were found with conductive hearing loss in the pure tone audiometry. Transcanal and endaural approach were used in five and three cases, respectively. Most of thecases were removed by curettage only, except for the two who needed additional drilling. Theaverage surgery time was 15.6 minutes. There was no postoperative complication or recurrence. Conclusion The external auditory canal osteoma was mostly unilateral and solitary. Theremoval of osteoma in the early stage was relatively easy with no recurrence or complication.
Abstract
Background and Objectives External auditory canal osteoma is an uncommon benign lesionand represents as unilateral solitary pedunculated mass. The aim of this study is to evaluatethe clinical symptoms of osteoma and its treatment outcomes over a 10-year period in atertiary hospital. Subjects and Method Eight patients underwent operation to remove an external auditorycanal osteoma at Chungbuk National University Hospital from 2008 to 2017. The medical recordswere retrospectively reviewed with regard to clinical characteristics, size and location ofosteoma, method of surgery and treatment outcomes. Results The average age of patients was 41.8 years with the male predominance of 6:2. Allof the lesions in the osteoma were unilateral and solitary (average size 5.0 mm). All of the eightcases were pedunculated: in four cases, the stalks of the osteoma were found on the tympanomastoidsuture line and in three cases, it was found on the tympanosquamous suture line. Fourpatients were asymptomatic, where the lesions were found incidentally during unrelated evaluations. No patients were found with conductive hearing loss in the pure tone audiometry. Transcanal and endaural approach were used in five and three cases, respectively. Most of thecases were removed by curettage only, except for the two who needed additional drilling. Theaverage surgery time was 15.6 minutes. There was no postoperative complication or recurrence. Conclusion The external auditory canal osteoma was mostly unilateral and solitary. Theremoval of osteoma in the early stage was relatively easy with no recurrence or complication.
참고문헌 (16)
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