- 期刊
Congenital Cholesteatoma of the Petrous Apex - Case Report
岩尖先天性膽脂瘤－病例報告
摘要
先天性膽脂瘤乃發生於顳骨中胚胎時期所殘餘的上皮細胞，是一種臨床上所罕見的疾病。依發生部位和臨床表之不同，主要有中耳型和岩骨型兩型。本文即提出一岩骨型先天性膽脂瘤的病例，此乃台北長庚醫院從1984年至1993年，從約1800個膽脂瘤的病例中，所發現的第14個先天性膽脂瘤的病例。此例為一50歲男性，於1993年1月前來就醫，其主訴為30年左側漸進性聽障和3年左側突發性顏面麻痺。電腦斷層掃描發現位於左側岩骨有一低密度的腫塊，緊臨著中腦窩。以經迷路和經耳蝸路徑手術將腫瘤完全除去，並用腹部脂肪填塞，至今仍無復發跡象。我們強調，高度的警覺和顳骨部電腦斷層掃描及核磁共振，乃診斷先天性膽脂瘤所必需的。
關鍵字
無資料並列摘要
A 50-year-old male presented in January 1993 with the chief complaint of left progressive hearing loss for 30 years and left sudden facial palsy for 3 years. High resolution computed tomography (HRCT) revealed a hypodense mass at the left petrous apex in connection with the middle cranial fossa. The pearly epidermoid was completely removed via the translabyrinthine and transcochlear approach and the bony defect was obliterated with fatty tissue harvested from the abdomen. Postoperative condition was good and there is no recurrence to date. High index of suspicion and CT scan and/or MRI are essential in making a definite diagnosis.
延伸閱讀
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