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Japanese

ANTROTYMPANIC TOMOGRAPHY IN DIAGNOSIS OF MIDDLE EAR DISEASES Ryo Yuasa 1 pp.223-229
Published Date 1974/4/20
DOI https://doi.org/10.11477/mf.1492208045
  • Abstract
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 With the advent of roulette tomography the x-ray diagnosis in the field of ENT has been greatly enhanced. But, due to the large number of plates that this procedure require it has notbeen popularized.

 The authors succeeded in reducing the number of x-ray plates to that of two by first making the usual frontal plane exposure which is followed by another with antrotympanic plane. The latter is accomplished by turning the plane of exposure 35 degrees posteriorly. By these two plates all structures related to the middle ear as well as the carotid canal and the jugular foramen are clearly discernible.


Copyright © 1974, Igaku-Shoin Ltd. All rights reserved.

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電子版ISSN 印刷版ISSN 0386-9679 医学書院

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