Trigeminal artery connection to the posterior inferior cerebellar arteries.
An example of the internal carotid artery supplying the posterior inferior cerebellar artery directly is reported. The direct PICA supply comes from a trigeminal trunk. There was no basilar artery opacification. An embryological explanation is given.
D002343:Carotid Artery, Internal / Q000002:abnormalities*; D002531:Cerebellum / Q000098:blood supply*; D002536:Cerebral Arteries / Q000002:abnormalities* / Q000196:embryology; D005260:Female; D006801:Humans; D008875:Middle Aged