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首页> 外文期刊>Research in Otolaryngology >Osteoma Mastoid with Cholesteatoma of External Auditory Canal - A Rare Presentation
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Osteoma Mastoid with Cholesteatoma of External Auditory Canal - A Rare Presentation

机译：骨外耳道胆脂瘤样乳突样瘤-罕见的表现

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摘要

Osteomas of temporal bone are rare, slow growing neoplasm. They can occur in all parts of temporal bone, including the bony portion of the external auditory canal (EAC).A complication of osteoma of EAC is ear canal cholesteatoma. Here a male patient aged 37 years presented with history of right ear discharge for 10 years, decreased hearing for 8 years and a spontaneously discharging swelling with sinus in the post auricular region for 15 days. On examination of right ear there was complete obliteration of EAC by a hard bony mass and tympanic membrane was not visualised. The swelling in the post auricular region was fluctuant with mucopurulent discharge. Facial nerve examination was normal. Tuning fork tests showed conductive hearing loss in the right ear. Computerised axial tomography of temporal bone showed a solitary osteoma which was pedunculated arising from posterior wall of right EAC with a soft tissue mass filling the medial part of EAC and middle ear. A diagnosis of Osteoma of EAC with cholesteatoma was made and was posted for surgery. Modified radical mastoidectomy and tympanoplasty was done with complete excision of EAC osteoma and cholesteatoma.
机译：颞骨骨瘤是罕见的，生长缓慢的肿瘤。它们可以发生在颞骨的所有部位，包括外耳道的骨部分。EAC的骨瘤并发症是耳道胆脂瘤。在这里，一名37岁的男性患者出现了10年的右耳病史，8年的听力下降以及耳廓后区域自发的鼻窦肿胀15天。检查右耳时，硬骨块完全掩盖了EAC，看不到鼓膜。耳后区域的肿胀随粘液胶质尿排出而波动。面神经检查正常。音叉测试显示右耳传导性听力损失。颞骨的计算机轴向断层扫描显示出一个孤立的骨瘤，该骨瘤是由右EAC的后壁引起的带蒂的骨瘤，软组织肿块填充了EAC的中部和中耳。做出诊断为EAC的胆脂瘤并伴有胆脂瘤，并将其发布用于手术。在完全切除EAC骨瘤和胆脂瘤的情况下，进行了改良的乳突根治术和鼓室成形术。

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