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Application of Galvanic VEMP for a Case with Obstruction of the External Auditory Canal due to Schwannoma Takeshi Watanabe 1 1Department of Otolaryngology, Faculty of Medicine, University of Tokyo pp.391-394
Published Date 2001/5/20
DOI https://doi.org/10.11477/mf.1411902372
  • Abstract
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A 57-year-old woman presented with left total hearing loss, episodic vertigo, and headache. Her left auditory ear canal was filled with a soft mass.

MRI showed a tumors in the left cerebellopon-tine angle and middle ear to the external ear canal. On neuro-otological examinations, caloric res-ponses and vestibular evoked myogenic potentials (VEMP) were absent in the left, while galvanically evoked myogenic potentials (G-VEMP) were still present. Pathological diagnosis was schwannoma. After neurosurgery, G-VEMP in the left disappear-ed.

Our results suggested that G-VEMP could be useful for evaluation of the vestibular function in patients with the obstructed external auditory canal.


Copyright © 2001, 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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