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pp.88-92
Published Date 1959/2/20
DOI https://doi.org/10.11477/mf.1492202179

 The Eustachian tube was visualized by instiilation of radio-opaque material in 55 patients affected with either Eustachian tube stricture or chronic otitis media.

 (1) The contour of the Eustachian tubes in general may be classified into two specific types. In the first type the caliber of the tube appeared to be uniform throughout the length of the tube which may be subdivided into those that might be small or large. In the second type the tube showed a constriction somewhere in its course which may be further subdivided into those showing one, two and three such constrictions. Ones that showed 2 constrictions appeared to be the most prevalent (57%). The first type is named the uniform type while the second as the constricted type.

 (2) Aside from some special cases the condition of the Eustachian tube on both sides of the same individual appeared to be similar.

 (3) Chronic otitis media appeared to be the prevalent among those whose Eustachian tubes were large uniform in type. Tubotympanitis was found in the small uniform type.


Copyright © 1959, 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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