Combined Transmastoid and Middle Fossa Approach for Meningoencephalocele Repair: Surgical Video.
Introduction: Temporal bone meningoencephaloceles are uncommon skull base lesions characterized by herniation of the meninges and temporal lobe through defects of the tegmen tympani or tegmen mastoideum. Patients frequently present with disabling otologic symptoms, cerebrospinal fluid (CSF) leakage, conductive hearing...