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Japanese

Cochlear Nerve Injuries Caused by Manipulations in Cerebellopontine Angle: Part I. Electrophysiological and morphological study in dogs Tetsuji SEKIYA 1,2 , Aage R. MOLLER 1 , Peter J. JANNETTA 1 1University of Pittsburgh School of Medicine 2Department of Neurosurgery, Hirosaki University School of Medicine Keyword: Acoustic neuroma , Brainstem auditory evoked potentials , Cochlear nerve , Microvascular decompression , Nerve injury pp.359-365
Published Date 1988/4/10
DOI https://doi.org/10.11477/mf.1436202570
  • Abstract
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Cochlear nerve injuries caused by manipulations in the cerebellopontine angle were electrophysiologically and morphologically investigated using dogs. Com-pression injuries were developed at the portions of the cochlear nerves that were directly retracted by a retrac-tor. The blood vessels supplying the cochlear nerve trunk easily ruptured and the Schwann-glial junctions of the cochlear nerve were separated, due to traction force derived from the manipulations in the CP angle.

From these results, some technical points to preserve hearing during CP angle surgery were discussed.


Copyright © 1988, 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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