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- Abstract 文献概要
- 1ページ目 Look Inside
はじめに
聴器の悪性腫瘍は稀であるばかりか,診断,治療に苦慮することが多く,一般にその予後は不良である。今回われわれは術前に確定的診断を得るのに苦慮した聴器癌を3例経験したので報告し,その診断について若干の考察を加える。
Case 1 is a 47-year-old male with the complaints of severe earache and otorrhea. HRCT demon-strated bone destruction around the tympanic cavity, however, repeated biopsy specimens ware not consistent with malignancy. Only after aural surgery, well-differentiated squamous cell carci-noma was revealed. Case 2 is a 44-year-old female complaining of left hearing loss. A white mass, behind the tympanic membrane in the posterior tympanic cavity, was first diagnosed as primary cholesteatoma by HRCT. The surgery revealed a soft fragile mass with the histopathological diagosis of adenocarcinoma. Case 3 is a 39-year-old male showing a mass in the external auditory canal with destruction of mastoid air cells. Total resection was performed, but final diagnosis was difficult because of its well-differen-tiated atypical cells. The possibility of rare ma-lignancies should be kept in mind when aural diseases were found.

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