Asymmetrical right sensorineural hearing loss with tinnitus. The bilateral labyrinthine structures, internal auditory canals, and cranial nerve 7 and 8 complexes appear unremarkable. There is no evidence of intracranial hemorrhage, mass, or acute infarct. There is minimal nonspecific cerebral white matter T2 hyperintensity. There is no abnormal intracranial enhancement. The ventricles and basal cisterns are normal in size and configuration. There is no midline shift or herniation. The major cerebral flow voids are intact. The skull, orbits, and scalp soft tissues are unremarkable. There is mild scattered paranasal sinus mucosal thickening.
No evidence of retrocochlear or inner ear lesions.