Tinnitus left ear and headaches. Internal Auditory Canals: The bilateral cranial nerve 7 and 8 complexes are intact. There is no evidence of mass lesions. The inner ear structures, including the cochlea, vestibule, endolymphatic duct, and semicircular canals, appear unremarkable. The bilateral mastoid air cells and middle ears also appear unremarkable.Brain: There is no evidence of intracranial hemorrhage, mass, or acute infarct. There are several unchanged non-enhancing scattered T2 hyperintense cerebral white matter lesions. 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 orbits, skull, paranasal sinuses, and scalp soft tissues are grossly unremarkable.
1. No evidence of retrocochlear or inner ear lesions. A head CTA and temporal bone CT may be useful for further evaluation.2. Unchanged cerebral white matter lesions, which may represent multiple sclerosis.