Brain :
The study reveals normal signal intensity and configuration of the brain. A. Small well-defined hypointense T1/ hyperintense T2/ hypointense Flair lesion at the left insular lobe is likely to be dilated perivascular space. No masses, areas of intracranial hemorrhage or extraaxial collections are present. There is no mass effect, midline shift or brain herniation. The brainstem and cerebellum are unremarkable.
Base of skull
There are no mass lesions involving the skull base or the cranial nerves. No abnormal enhancement is present.
The orbits and paranasal sinuses are unremarkable. The mastoid air cells, the calvarium and the nasopharynx essentially unremarkable.
Impression
-small dilated perivascular space at left insular lob