title: Persistent hypoglossal artery, diagnostic criteria. Report of a case.
abstract: After a brief racapitulation of the embryology of the vertebrobasilar arterial system, one new case (the 26th) with a persistent hypoglossal artery is presented. As in this case a well developed posterior communicating artery existed, new diagnostic criteria have been formulated.
mesh_terms: D001488:Basilar Artery / Q000002:abnormalities* / Q000000981:diagnostic imaging; D002339:Carotid Arteries / Q000002:abnormalities* / Q000000981:diagnostic imaging; D002533:Cerebral Angiography; D005260:Female; D006801:Humans; D008875:Middle Aged