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MR Imaging of Parotid Tumors:Identification of the Facia Nerve Yuichiro Tada 1,2 1Department of Otolalyngology, Yamagata Prefectural Shinjo Hospital pp.687-691
Published Date 1994/8/20
DOI https://doi.org/10.11477/mf.1411900963
  • Abstract
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Using 0.5T-MRI, 12 cases with parotid tumor and 2 cases with no tumor were evaluated to identify the intraparotid facial nerve. On 8 tumor sides and 12 normal sides of these cases, the images were taken, using volume imaging with SPGR method and thereference line drawn between the inferior margin of the medulla of the atlas and the superior margin of the medulla of the mandibule. Facial nerve was identified in 7 of 8 tumor sides and 9 of 12 normal sides, and the findings were confirmed in 3 operated cases. On 7 cases (14 sides) using different condi-tions, facial nerve was not identified. The usefulness of MRI for preoperative examination of parotid tumor was discussed.


Copyright © 1994, 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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