Dizziness and headache with vomiting. Brain: There is no evidence of intracranial hemorrhage, mass, or acute infarct. There is minimal nonspecific periventricular white matter T2 hyperintensity. The brain parenchyma and pituitary gland appear unremarkable. There is no abnormal intracranial enhancement. There is a prominent left retrocerebellar cerebrospinal fluid space. The ventricles and basal cisterns are otherwise 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.Interval 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.
1. No evidence of retrocochlear or inner ear lesions.2. No evidence of intracranial hemorrhage, mass, or acute infarct. 