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Xanthogranuloma of the external auditory canal in an adult Hiroyoshi Iguchi 1 1Department of Otolaryngology and Head & Neck Surgery,Osaka City University Graduate School of Medicine pp.775-778
Published Date 2009/10/20
DOI https://doi.org/10.11477/mf.1411101505
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 Xanthogranuloma,a form of non-Langerhans cell histiocytosis,of the external auditory canal is an extremely rare condition. We treated a 57-year-old Japanese man with xanthogranuloma in the left external auditory canal. The yellowish-brown and well-defined mass was completely excised under local anesthesia. Postoperative pathologic findings for the mass including the proliferation of foamy histiocytic cells admixed with multinucleated Touton giant cells and immunohistochemical positive reaction for CD68 and negative reaction for S-100 protein confirmed the diagnosis of xanthogranuloma. To our knowledge,this is the first reported case of xanthogranuloma of the external auditory canal in the Japanese literature.


Copyright © 2009, 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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