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Epidemiological study of cholesteatoma in Fukuoka City

Published online by Cambridge University Press:  23 February 2015

S Shibata*
Affiliation:
Department of Otorhinolaryngology, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan
K Murakami
Affiliation:
Department of Otorhinolaryngology, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan
Y Umeno
Affiliation:
Department of Otorhinolaryngology, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan
S Komune
Affiliation:
Department of Otorhinolaryngology, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan
*
Address for correspondence: Shumei Shibata, Department of Otorhinolaryngology – Head and Neck Surgery, Graduate School of Medical Sciences, Kyushu University, 3-1-1 Maidashi, Higashi-ku, Fukuoka 812-8582, Japan Fax:+81 92 6425685 E-mail: shu-mei@qent.med.kyushu-u.ac.jp

Abstract

Objective and design:

To investigate the pathogenesis of cholesteatoma, we planned to conduct a cohort study. As a first step, we conducted an epidemiological study in Fukuoka City, Japan to determine the incidence of cholesteatoma treated both with and without surgery. We also conducted a case–control study to investigate the pathogenesis of cholesteatoma.

Results:

The annual incidence of cholesteatoma, including cases treated without surgery, was 6.8–10.0 in a population of 100 000. The results of the case–control study suggested that a past history of otitis media and habitual sniffing caused by a patulous eustachian tube play a role in the pathogenesis of cholesteatoma.

Conclusions:

The annual incidence of cholesteatoma, including cases treated without surgery, was considered to not be high enough to perform a cohort study. The results of the case–control study suggest that otitis media and habitual sniffing due to a patulous eustachian tube, contribute to the onset of cholesteatoma.

Information

Type
Main Articles
Copyright
Copyright © JLO (1984) Limited 2015 

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