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A Case of Parapharyngeal Schwannoma Arising from the Cervical Sympathetic Nerve Nobuaki Hiraki 1 1Department of Otorhinoaryngology,University of Occupational and Environmental Health School of Medicine pp.481-485
Published Date 2004/6/20
DOI https://doi.org/10.11477/mf.1411100625
  • Abstract
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 A 72-year-old man presented with a 1-year history of the left subauricular swelling. Radiological examinations revealed a mass in his left parapharyngeal space. Although he did not manifest any neurological signs,the mass was preoperatively estimated to be a neurogenic tumor arising from the cervical sympathetic nerve on the basis of the findings of CT scan and MR imaging. The tumor was completely excised by cervical approach,and histopathological diagnosis was schwannoma. He showed miosis and palpebroptosis postoperatively,confirming that the tumor was originated from the cervical sympathetic nerve. The topographical relationship between neurogenic tumors in the parapharyngeal space and adjacent structures was reviewed from the literature.


Copyright © 2004, 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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