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PNEUMATIZATION OF THE TEMPORAL BONE: CHRONIC OTITIS MEDIA, SEROUS OTITIS MEDIA Akio Imai 1 pp.1093-1098
Published Date 1978/12/20
DOI https://doi.org/10.11477/mf.1492208841
  • Abstract
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 The authors already reported that the size variation of pneumatization of the temporal bone was mostly conducted by disposition, but the development of pneumatization was also inhibited by inflammation of the middle ear.

 The sizes of pneumatization of the temporal bone in chronic otitis media, cholesteatoma and serous otitis media were averaged 6.0 cm2, 4.7 cm2 and 10.0 cm2 respectively by rectangular measurement. Serous otitis media is divided into two types. One is the type with impaired pneumatization and less-defined contour of the cell system, the other is the type with comparatively well-developed pneumatization and well-defined contour in spite of diffuse shadow. The former is similar to chronic otitis media, and the latter resembles to normal pattern. We recognized bilaterality of pneumatization in serous otitis media, but not in cholesteatoma. And the importance of disposition in the occurrence of cholesteatoma was not confirmed.


Copyright © 1978, 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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