Enlarged vestibular aqueduct syndrome mimicking otosclerosis in adults.

Introduction: An enlarged vestibular aqueduct (EVA) results in hearing loss which is often progressive and heterogenous, the long-term natural history of which is not well understood. Patients born before the era of newborn hearing screening can present as adults with previously undiagnosed EVA.

Methods: A retrospective chart review of patients seen at a tertiary adult academic otologic clinic from 2004 to 2012 were reviewed and cases of EVA were identified.