Angiographic equivalent of the pneumoencephalographic dilated callosal sulcus sign.
D001254:Astrocytoma / Q000000981:diagnostic imaging; D001927:Brain Diseases / Q000000981:diagnostic imaging*; D001932:Brain Neoplasms / Q000000981:diagnostic imaging; D002533:Cerebral Angiography; D002536:Cerebral Arteries / Q000473:pathology; D002552:Cerebral Ventricles; D014695:Cerebral Ventriculography; D003337:Corpus Callosum / Q000098:blood supply; D006394:Hemangiosarcoma / Q000000981:diagnostic imaging; D006801:Humans; D006849:Hydrocephalus / Q000000981:diagnostic imaging