Anomalous origin of the posterior meningeal artery from the lateral medullary segment of the posterior inferior cerebellar artery.
The authors present two cases of angiographically-confirmed anomalous origin of the posterior meningeal artery (PMA) from the lateral segment of the posterior inferior cerebellar artery (PICA) and describe briefly the probable embryogenesis of this anomaly.
D000293:Adolescent; D001158:Arteries / Q000002:abnormalities; D002531:Cerebellum / Q000098:blood supply*; D002533:Cerebral Angiography; D006801:Humans; D008297:Male; D008576:Meningeal Arteries / Q000002:abnormalities* / Q000000981:diagnostic imaging; D008875:Middle Aged