title: Incidence of berry aneurysms of the unpaired pericallosal artery: angiographic study.
abstract: The highest incidence of aneurysms at bifurcations of different configuration among all cerebral arteries occurs at the bifurcation of large unpaired pericallosal arteries. A berry aneurysm was present in seven (41%) of 17 unpaired pericallosal arteries in our material.
mesh_terms: D002533:Cerebral Angiography; D002536:Cerebral Arteries; D006801:Humans; D002532:Intracranial Aneurysm / Q000000981:diagnostic imaging* / Q000453:epidemiology