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pp.987-992
Published Date 1957/12/25
DOI https://doi.org/10.11477/mf.1492201909

H. Nishihata and Igarashi find that only 30% of cases of chronic otitis media that were treated by mastoidectomies showed an agree-ment of bacterial flora that were respectively cultured from materials derived from the external canal and the mastoid cells. This study was initiated in order to investigate the cause with which chronic otitis media become a difficulty for cure even when chemo-therapeutic measures considered as potent are fully applied. That such difficulty of cure in this condition be due mainly to involvement of osseous tissues is a factual explanation; the majority being cholestea-tomatous involvements that are unresponsive to chemotherapy and invasions of gram-nagative bacilli such as klebsiella, proteus and escherichiae, the incidence of which appear to be far greater than that reported by Fowler in 1947.


Copyright © 1957, 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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