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Superior Canal Dehiscence Syndrome Mitsuya Suzuki 1 1Department of Otolaryngology,University of Tokyo School of Medicine pp.23-26
Published Date 2003/1/20
DOI https://doi.org/10.11477/mf.1411101040
  • Abstract
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 This is the first documentation of a patient with superior canal dehiscence syndrome in Japan. A 59-year-old male working as a pilot began to experience sound-induced vertigo and oscillopsia in an airplane about 3 years ago. On examination,caloric responses of both ears were normal. Tone of 250 and 500 Hz at intensities of 100 dB in both ear evoked an upward deviation with torsion in both eyes. Threshold of a vestibular evoked myogenic potential(VEMP) was low in both ears. High-resolution computed tomography of the temporal bones revealed dehiscence of the bone overlying the superior semicircular canal bilaterally.


Copyright © 2003, 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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