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Japanese

Facial Nerve Preservation in the Region of the Zygomatic Arch Tetsuji SEKIYA 1 , Takashi IWABUCHI 1 , Shinichi OKABE 1 , Masahiro TAKIGUCHI 2 , Nobuhito ODA 3 1Department of Neurosurgery, Hirosaki University School of Medicine 2Department of Critical Care Medicine, Hirosaki University School of Medicine 3Ishii Hospital of Neurosurgery and Ophthalmology Keyword: Electromyography , Facial nerve , Galea aponeurotica , Temporal fascia , Zygomatic arch pp.1029-1033
Published Date 1990/11/10
DOI https://doi.org/10.11477/mf.1436900164
  • Abstract
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 In order to preserve the frontotemporal branch of the facial nerve in frontotemporal and transzygomatic craniotomies, electromyographic responses from the facial muscles were recorded preoperatively. Incising the frontotemporal branch of the facial nerve could be avoided by identifying the crossing point of the frontotemporal branch of the facial nerve on the superior border of the zygomatic arch. The crossing points were investigated in 20 patients and in most cases they existed between 2cm and 6cm from the anterior border of the external auditory canal.

 Another important point to preserve the facial nerve is to conserve the layer in which the facial nerve is included. Therefore, the surgical anatomy in the region of the zygomatic arch and temporal area was reviewed in detail. This knowledge is crucial for neurosurgeons to dissect precisely in this region without causing postoperative facial palsy.


Copyright © 1990, 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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