Intractable headaches and vertigo, new onset. Brain: There is no evidence of intracranial hemorrhage, mass, or acute infarct. The brain parenchyma and pituitary gland appear unremarkable. 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, and scalp soft tissues are grossly unremarkable. There is a right maxillary sinus retention cyst. 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. There appears to be a small amount of fluid within the right mastoid air cells.
1. No evidence of acute intracranial hemorrhage, mass, or acute cerebral infarction.2. No evidence of inner ear or retrocochlear lesions.3. Apparent nonspecific small amount of fluid within the right mastoid air cells.