MRI study shows the following:
- dilated tortuous vertebrobasilar arteries (vertebrobasilar dolichoectasia), seen related to the course of left trigeminal nerve likely compressing it
- ectasia of the other intracranial arteries
- bilateral cerebral hemispheric chronic microangiopathy (Fazekas grade III)
- bilateral basal ganglia multiple ischemic foci together with minute dilated Virchow Robin spaces
- bilateral thalamic foci of blooming artifact in GRE (larger at the left side) likely related to hypertensive microangiopathy
- age-related cerebral involutional changes
- right frontal, bilateral ethmoid, and bilateral maxillary sinusitis