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Statistical Observations of Acoustic Neurinoma: Change of Radiological Modality and the Role of Otologists Akira Nagaba 1 1Department of Otolaryngology, Niigata University School of Medicine pp.910-914
Published Date 1993/11/20
DOI https://doi.org/10.11477/mf.1411900826
  • Abstract
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The advent of CT and MRI has facilitated the early diagnosis of a small acoustic neurinoma (AN). AN patients with atypical symptoms and normal otoneurological findings have gradually increased, and the conventional otological battery tests became inadequate for the diagnosis of AN. In contrast, AN is frequently disclosed by neuro-logists and neurosurgeons with CT/MRI without sufficient otological investigation. In our depart-ment, 52% of AN cases were diagnosed by otologists after MRI became available in other departments of our hospital, indicating that otologists still play a significant role in the diagnosis of AN.


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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