Incidental findings

See basilar artery page for more info

A few small holes in dorsal pons maybe suggest acquired etiology?

Another mid-basilar case below — incidental finding — no holes here.  MRAs have been stable for 5 years

Vessel wall imaging shows some asymmetric enhancement — what does it mean?

Stereos

Case 3

Recent anterior circulation stroke

So, what is this?  Healed dissection?  Pure arterial malformation?  Unknown?