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Epidemiology and Clinical Features of Vestibular Schwannoma in Manitoba, Canada

Published online by Cambridge University Press:  18 September 2015

Arnold M. Frohlich  and
Garnette R. Sutherland
Arnold M. Frohlich*
Affiliation:
Departments of Surgery/Neurosurgery (G.R.S.), and Otolaryngology (A.M.F.), The University of Manitoba, Winnipeg
Garnette R. Sutherland
Affiliation:
Departments of Surgery/Neurosurgery (G.R.S.), and Otolaryngology (A.M.F.), The University of Manitoba, Winnipeg
*
Department of Clinical Neurosciences, Foothills Hospital, 1403 - 29 Street N.W., Calgary, Alberta, Canada T2N 2T9
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Abstract:

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The incidence of vestibular schwannoma (acoustic neuroma) in Manitoba, Canada was reviewed. From 1987 through 1991, 71 tumors were diagnosed in 69 patients. The overall annual incidence rate for both sexes was 1.27/100,000 with male and female annual incidences of 1.31/100,000 and 1.24/100,000 respectively. For males, there was an early peak in the age group 30 - 39 years (2.1/100,000). Following the fifth decade, the incidence for males plateaued (2.7 - 3.6/100,000). For females, the incidence increased with age up to age 60 - 69 years (4.1/100,000). This was followed by a progressive decline in the incidence. Although the incidence of vestibular schwannoma was relatively high, the clinical features were not unlike those previously reported in the literature.

Type
Research Article
Information
Canadian Journal of Neurological Sciences , Volume 20 , Issue 2 , May 1993 , pp. 126 - 130
Copyright
Copyright © Canadian Neurological Sciences Federation 1993

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