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High Resolution Computed Tomography of the Middle Ear: Its Effectiveness, Limits of Diagnosis and Clinical Application Katsuhisa Ikeda 1 1Department of Otolaryngology, Iwaki Kyoritsu General Hospital pp.929-938
Published Date 1983/11/20
DOI https://doi.org/10.11477/mf.1492209695
  • Abstract
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 High resolution computed tomography was performed in 57 cases with various middle ear diseases (chronic otitis media, otitis media with effusion, acute otitis media and atelectasis). Although further improvement in detectability is necessary in order to discriminate each type of the soft tissue lesions, CT is the most useful method currently available in detecting the small structures and soft tissue lesions of the middle ear. In particular, the lesions at the tympanic isthmus and tympanic fold could very clearly be detected only by CT.

 In acute otitis media, lesions usually started in the attic and spread to the mastoid air cells. In otitis media with effusion, the soft tissue shadow was ovserved in the attic and mastoid air cell.

 CT is valuable in diagnosis, evaluation of thetreatment and prognosis, and analysis of pathophysiology in the middle ear diseases.


Copyright © 1983, 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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