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Japanese

Electrophysiological Identfication of the Cochlear and Vestibular Nerves in the Cerebellopontin Angle—Experimental Study and clinical implication Tetuji SEKIYA 1 , Shinichi OKABE 1 , Takashi IWABUCHI 1 , Michinori OTTOMO 2 1Department of Neurosurgery, Hirosaki Uni-versity School of Medicine 2DEpartment of Neurosurgery, Aomori Rosai Hospital Keyword: Cerebellopontine angle , Cochlear nerve , Electrical stimulation , Vestibular nerve pp.947-953
Published Date 1992/9/10
DOI https://doi.org/10.11477/mf.1436900518
  • Abstract
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Electrical stimulation was applied on the surface of the eighth cranial nerve in the cerebellopontine angle of dogsand the evoked potentials were recorded with surface electrodes on the scalp. The shape of the evoked poten-tials recorded was different according to the portion of the nerve stimulated electrically. It was, therefore, pos-sible to precisely identify the nerve stimulated from the surface recorded evoked potentials. This electrophy-siological method may be helpful for the surgeon to precisely locate the cochlear and vestibular nerves in various operations in the cerebellopontine angle in human. Our preliminary experience of this monitoring method in acoustic neuroma excision was presented.


Copyright © 1992, Igaku-Shoin Ltd. All rights reserved.

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電子版ISSN 1882-1251 印刷版ISSN 0301-2603 医学書院

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