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The diagnosis and treatment of petrous bone cholesteatoma
Author(s): 
Pages: 355-357
Year: Issue:  5
Journal: CHINESE JOURNAL OF OTORHINOLARYNGOLOGY

Keyword:  胆脂瘤颞骨岩部诊断鉴别耳鼻喉外科手术;
Abstract: 目的探讨岩骨胆脂瘤的诊断与治疗.方法总结5例(5耳,其中2耳先天性,3耳后天性)岩骨胆脂瘤的临床表现,影像学结果及手术经验.结果 5耳均有重度聋或全聋,3耳面瘫,3耳脑膜炎;颞骨CT扫描呈低密度边缘光滑的膨胀性缺损,磁共振成像(magnetic resonance imaging,MRI)中T1加权呈中等均一信号,T2加权呈高信号.增强扫描无强化.4(1耳先天性,3耳后天性)岩骨胆脂瘤耳采用迷路进路,1耳先天性岩骨胆脂瘤采用颅中窝-迷路联合进路手术.术后随访0.5~4年,无脑脊液漏,未见胆脂瘤复发,均获干耳.3耳面瘫患者,1例完全恢复,1例Ⅱ级恢复,1例Ⅲ级恢复.结论颞骨CT扫描对临床诊断具有重要作用,MRI具有鉴别诊断价值.对于无实用听力患者,迷路进路是最实用和理想的手术进路.
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