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A Case of Mastoid Cyst Nobuyuki Sakuma 1 1Department of Otorhinolaryngology, Nippon Express Tokyo Hospital pp.937-941
Published Date 1993/11/20
DOI https://doi.org/10.11477/mf.1411900831
  • Abstract
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In a 47-year-old man with mastoid cyst, the left ear drum was normal after removal of ear wax. Plain mastoid x-ray films and CT suggested a mastoid cyst. Upon simple mastoidectomy, red brown serous fluid and white soft material were found in the cyst with very thin wall. Histopatho-logical diagnosis was epidermoid cyst suggesting congenital origin.


Copyright © 1993, Igaku-Shoin Ltd. All rights reserved.

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電子版ISSN 1882-1316 印刷版ISSN 0914-3491 医学書院

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