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High-resolution MR Imaging of the Inner Ear Kozo Kumakawa 1 1Department of Otolaryngology, Toranomon Hospital pp.1001-1007
Published Date 1988/11/20
DOI https://doi.org/10.11477/mf.1411200255
  • Abstract
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Magnetic resonance (MR) appearance of the temporal bone was analyzed with head coils using a 1. 5-tesla magnet whole-body imaging system. MR images were aquired with a spin-echo pulse sequences. The thickness of the sec-tions was 2. 5 mm. T2-weighted images could clear-ly delineate the details of the liquid containing labyrinthine structures and facial nerve with this modality. MR imaging can provide informations unobtainable with CT scan, whether the mem-branous labyrinth is filled with lymphatic fluid or fibrotic tissue, with the proper use of both T1 and T2 sequences. This point is considered to be one of the greatest advantages of MR imaging over high-resolution CT scan in the diagnosis of inner ear disorders.


Copyright © 1988, 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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