Enlarged Vestibular Aqueduct Syndrome Case Report And Review

Enlarged vestibular aqueduct is one of the most common clinical congenital deformities of the inner ear, The clinical manifestation is fluctuating hearing loss associated with vestibular symptoms or not, and its pathogenesis is still in research stage, and the temporal bone high resolution computed tomography (HRCT) and cranial magnetic resonance imaging (MRI) have importance accessory diagnostic value. The hearing of the ear will develop into profound deafness eventually, and patients can hardly benefit from conservative treatment. Over the past30years, cochlear implantation gradually became the only effective way to treat EVAS. In order to understand EVAS correctly, and get early discovery, intervention and effective treatment, we report5cases about EVAS, and review the related literature, mainly about the pathogenesis and treatment progress.