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Osteoplastic changes in attic cholesteatoma

Published online by Cambridge University Press:  29 June 2007

Tomoyuki Hoshino ,
Hisayoshi Ishizaki ,
Satoshi Iwasaki  and
Takeo Sakai
Tomoyuki Hoshino*
Affiliation:
Department of Otolaryngology, Hamamatsu University School of Medicine, Hamamatsu, Japan.
Hisayoshi Ishizaki
Affiliation:
Department of Otolaryngology, Hamamatsu University School of Medicine, Hamamatsu, Japan.
Satoshi Iwasaki
Affiliation:
Department of Otolaryngology, Hamamatsu University School of Medicine, Hamamatsu, Japan.
Takeo Sakai
Affiliation:
Department of Otolaryngology, Hamamatsu University School of Medicine, Hamamatsu, Japan.
*
Dr T. Hoshino, Department of Otolaryngology, Hamamatsu University School of Medicine, 3600 Handa-cho, Hamamatsu, Shizuoka 431-31, Japan. Fax: 053-435-2253
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Abstract

Eighty-nine cases of attic type cholesteatoma were operated on during a three and a half-year period. Of these, eight cases were characterized by bony tissue proliferation at the aditus ad antrum or mastoid antrum. Sex, age, and hearing levels were not significant in these cases. Bony fixation of the incus and the malleus was seen in six cases. Bony tissue blocked further expansion of attic cholesteatoma at the aditus in four cases, narrowed the epithelial tract to the antrum in two cases, and completely separated the cholesteatoma into two cholesteatomas in two cases. Infectious stimuli, at an early stage of the disease, might stimulate such osteoplastic activity at the aditus. Axial CT scans give useful information regarding structure before surgery.

Keywords

Middle earCholesteatomaTomography, X-ray computedBone regeneration
Type
Main Articles
Information
The Journal of Laryngology & Otology , Volume 109 , Issue 8 , August 1995 , pp. 703 - 706
Copyright
Copyright © JLO (1984) Limited 1995

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