71-year-old female with headache, dizziness and vertigo. Evaluate for structural causes. MRI Brain:No restricted diffusion to suggest acute ischemia. No intracranial hemorrhage. No intracranial mass or mass-effect. The ventricles are within normal limits in size and configuration. No significant parenchymal signal abnormality. There is mild supra and infratentorial parenchymal volume loss which is appropriate for age. Brain parenchyma is otherwise unremarkable.No abnormal parenchymal or meningeal enhancement. Major flow-voids are preserved.There is a partially empty sella which is usually a normal variant in this age group. There is T1 and T2 hyperintensity involving the mastoid air cells presumably related to under pneumatization. Bone marrow signal and extracranial soft tissues are otherwise unremarkable.MRI Orbits:No abnormal mass or abnormal enhancement is seen. No abnormal signal intensity is evident. The optic nerves are normal in size and signal intensity, and are symmetric bilaterally. No retrobulbar mass, chiasmatic mass, or parasellar abnormality is seen. Extraocular muscles are unremarkable.MRI IACs: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.
Brain parenchyma appears within normal limits for age. Specifically, no evidence of infarct, hemorrhage, or intracranial mass. Unremarkable examination of the orbits and IACs.I personally reviewed the Images and/or procedure with the Resident/Fellow and agree with this report.