Sudden deafness.
D001932:Brain Neoplasms / Q000150:complications; D003638:Deafness / Q000175:diagnosis* / Q000209:etiology / Q000628:therapy; D003937:Diagnosis, Differential; D004428:Ear Neoplasms / Q000150:complications; D004432:Ear, Middle / Q000601:surgery; D006801:Humans