PMID: 22333143Feb 16, 2012Paper

Vertigo due to enlarged vestibule with lateral semicircular canal dysplasia: an analysis of clinical characteristics

Zhonghua yi xue za zhi
Xiang-li ZengGe-hua Zhang

Abstract

To explore the clinical characteristics and possible pathological mechanisms of vertigo due to enlarged vestibule with lateral semicircular canal dysplasia. A retrospective review was conducted for 5 cases of peripheral vertigo due to enlarged vestibule with lateral semicircular canal dysplasia. Their characteristics of medical history, precipitating factors, course of vertigo, auditory tests, vestibular tests and imaging examine results were analyzed. The clinical characteristics were as follows. (1) Specifics of medical history: 4 cases suffered delays in gross motor development and potential equilibrium dysfunctions. One case failed to recount an earlier medical history, but could maintain normal hearing and vestibular functions for a long time in adulthood. (2) Most cases could identify the precipitating factors of initial attacks, such as head-bumping, nose-blowing and constipation, etc. resulting in sudden rises of intracranial or abdominal pressures. (3) Paroxysmal vertigo and progressive hearing loss were mimicking Meniere disease or large vestibular aqueduct syndrome. But its course of vertigo was different from those of Meniere disease and large vestibular aqueduct syndrome with regards to hearing levels and audiogram...Continue Reading

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