True Incidence of Vestibular Schwannoma?

BACKGROUND: The incidence of diagnosed sporadic unilateral vestibular schwannomas (VS) has increased, due primarily to more widespread access to magnetic resonance imaging. OBJECTIVE: To present updated epidemiological data on VS incidence, as well as patient age, hearing acuity, tumor size, and localization at diagnosis for the last 4 decades in an unselected population, with emphasis on developments in recent years. METHODS: From 1976 to 2008,...