- 期刊
下頜骨髁突骨瘤引起外耳道狹窄
Osteoma of Mandible Condylar Head Resulting in External Auditory Canal Stenosis
並列摘要
The patient is a 59 year old male who presented with left ear hearing impairment for the past 5 years. Physical examination revealed a mass of about 2.5×2.8 cm at preauricular area, external auditory canal stenosis and facial asymmetry. The CT scan revealed an osteoma at the left condylar head, external auditory canal (EAC) stenosis. Pure tone audiometry revealed mixed type hearing loss of 55 dB with an air-bone gap of 23 dB in left ear. The patient recived surgical treatment. The pathological report of the tumor was osteoma. After 6-years' follow up the EAC showed patent and no recurrent cholesteatoma. The mandible ccould keep full open without deviation or joint pain. The average PTA was 40 dB postoperatively.
延伸閱讀
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