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Medially Situated High Jugular Bulb and Jugular Bulb Diverticulum Tetsuya Tono 1 1Department of Otorhinolaryngology, Miyazaki Medical College pp.319-324
Published Date 1990/4/20
DOI https://doi.org/10.11477/mf.1411900055
  • Abstract
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Recent advances in temporal bone tomography and CT have revealed that a medially situated high jugular bulb, which extends upward into the medial part of the petrous bone, is not a rare anatomical condition. In a series of patients undergoing temporal bone CT, the jugular fossae were found to be extending above the round window in 18% of the patients. A jugular bulb diverticulum was often associated with a very high medial jugular fossa. We found that inner ear symptoms were possibly caused by the effect of the high bulb on the vestibular aqueduct inone case and on the internal acoustic meatus in another case. MRI may be of value in differen-itating a high bulb from a glomus tumor.


Copyright © 1990, 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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