Contribution of otologists in the diagnosis of acoustic neurinoma.

概要

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In order to find out how otologists contribute to the diagnosis of acoustic neurinoma, a questionnaire was sent to 80 neurosurgical departments of university hospitals. Answers were obtained from 71 departments.<BR>1) Acoustic neurinomas represented 7.8% of all brain tumors in Japan. The rate varied from 0% to 24% in university hospitals. 2) 48.8% of acoustic neurinomas were diagnosed by otologists. The rate varied from 0% to 100% in university hospitals.<BR>Since in most cases, the first symptom of acoustic neurinoma is unilateal progressive hearing loss, it was presumed that more than 48.8% of acoustic neurinoma patients had visited an otologist's clinic.<BR>In order to prevent wrong diagnosis, problems which frequently rise in diagnosing acoustic neurinomas are discussed.
一般社団法人日本めまい平衡医学会の論文