65-year-old female with new daily headaches and nausea. Possible abnormality on head CT. Brain parenchyma appears within normal limits for age. No restricted diffusion to suggest acute ischemia. No intracranial hemorrhage. No intracranial mass or mass-effect. The ventricles are within normal limits in size. Left lateral ventricle is minimally larger compared to the right with slight coaptation involving the right frontal horn surfaces, finding which is a normal variant. No abnormal parenchymal or meningeal enhancement. Major flow-voids are preserved.Sella and orbits are grossly within normal limits. Paranasal sinuses and mastoid cells are clear. Bone marrow signal and extracranial soft tissues are within normal limits.
MRI of the brain is within normal limits. No evidence of ischemia, intracranial mass, or abnormal enhancement.