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Cochlear fistula found in a naturally healed tympanic cavity

Published online by Cambridge University Press:  29 June 2007

Mamoru Suzuki ,
Isao Nishida ,
Katsuhiro Hirakawa ,
Masafumi Nikaido  and
Yasuo Harada
Mamoru Suzuki*
Affiliation:
Hiroshima, Japan
Isao Nishida
Affiliation:
Hiroshima, Japan
Katsuhiro Hirakawa
Affiliation:
Hiroshima, Japan
Masafumi Nikaido
Affiliation:
Hiroshima, Japan
Yasuo Harada
Affiliation:
Hiroshima, Japan
*
M. Suzuki, Department of Otolaryngology, Hiroshima University, School of Medicine, 1-2-3 Kasumi, Minamiku, Hiroshima, Japan734.
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Abstract

A cochlear fistula found in a naturally healed mastoid cavity is reported. The patient is a 53-year-old Japanese woman who was complaining of unsteadiness. She hada long history of otorrhoea in childhood. Her tympanic and mastoid cavities were widely open and were covered by thin epithelium. The posterior wall of the ear canal was missing. She had no hearing in the ear but responded to electrical promontory testing. Exploratory surgery was indicated at which fistulae of the basal turn of the cochlea and the horizontal semicircular canal were found. These fistulae were sealed by pieces of bone andmuscle.

Keywords

LabyrinthFistulacochlear
Type
Clinical Records
Information
The Journal of Laryngology & Otology , Volume 105 , Issue 8 , August 1991 , pp. 656 - 658
Copyright
Copyright © JLO (1984) Limited 1991

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