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Meningioma of the internal auditory canal with extension into the vestibule

Published online by Cambridge University Press:  29 June 2007

Norihiko Ishikawa ,
Atsushi Komatsuzaki  and
Hisashi Tokano
Norihiko Ishikawa*
Affiliation:
Department of Otolaryngology, Tokyo Medical and Dental University, Tokyo, Japan.
Atsushi Komatsuzaki
Affiliation:
Department of Otolaryngology, Tokyo Medical and Dental University, Tokyo, Japan.
Hisashi Tokano
Affiliation:
Department of Otolaryngology, Tokyo Medical and Dental University, Tokyo, Japan.
*
Address for correspondence: Norihiko Ishikawa, M.D., Department of Otolaryngology, Tokyo Medical and Dental University, Bunkyo-ku, Yushima, 1–5–45, Tokyo 113–8519, Japan. Fax: 81-3-3813-2134 e-mail: ishikawa.hns@med.tmd.ac.jp
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Abstract

Meningiomas account for approximately 18 to 19 per cent of all brain tumours. Although they can arise in numerous locations, meningiomas of the internal auditory canal (IAC) are rare. Most tumours that originate in the IAC are schwannomas of the Vilith cranial nerve (acoustic neuromas). We report a case of a meningioma which appears to originate from the IAC and extends into the vestibule. The clinical findings and the radiographical features of meningiomas of the IAC are similar to those of acoustic neuromas. Pre-operative differentiation between acoustic neuromas and meningiomas of the IAC may be difficult.

Keywords

MeningiomaVestibuleAuditory canal, internal
Type
Clinical Records
Information
The Journal of Laryngology & Otology , Volume 113 , Issue 12 , December 1999 , pp. 1101 - 1103
Copyright
Copyright © JLO (1984) Limited 1999

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