Evaluation of the Diagnostic and Prognostic Efficacy of MRI in Acute Sensorineural Hearing Loss and Ménière's Disease

Inclusion Criteria: age \> 18 years * onset of symptoms less than 10 days * no previous episodes of sudden ipsilateral hearing loss * no systemic or oral corticosteroid intake in the previous month * Informed consent Exclusion Criteria: * Current or previous otopathy and/or labyrinth diseases of known cause * Known nervous system disorders * Patients with renal insufficiency (creatinine level \> 1.5 mg/dL) * Patients with pacemakers, other metal implants, claustrophobics and known psychiatric disorders * Pregnant patients Materials and methods Diagnostic evaluation at enrollment (T0) * Audiological or ENT examination * Liminal tonal audiometric exam, vocal, impedance measurement, otoacoustic emissions, video-impulse test, oVEMPS, cVEMPS, stabilometry * Hematological tests: complete blood count, ESR, PCR, creatininemia, CMV IgM, EBV IgM, ANA, glycemia, study of predisposing genetic factors