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Neurofibroma in the external auditory canal Kazuma Sugahara 1 1Department of Otolaryngology,Yamaguchi University Graduate School of Medicine,Ube pp.561-564
Published Date 2007/7/20
DOI https://doi.org/10.11477/mf.1411101113
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 A 70-year-old male presented with a soft nodule in the external auditory canal. He was diagnosed of neurofibromatosis typeⅠ 30 years ago. The soft nodule appeared in the right external auditory canal several years ago. His audiogram showed a conductive hearing loss in the right ear. The tumor was removed and the pathological diagnosis was neurofibroma. After surgery,his hearing was improved. The tumor in the external auditory canal should not be removed in neurofibromatosis. However,if the tumor caused auditory dysfunction,the surgical excision is indicated.


Copyright © 2007, 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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