Displacement of the superior cerebellar artery. A means of distinguishing intra- and extra-axial posterior fossa masses by vertebral arteriography.
D001488:Basilar Artery; D002533:Cerebral Angiography; D006801:Humans; D008577:Meningeal Neoplasms; D008579:Meningioma; D009442:Neurilemmoma; D014711:Vertebral Artery
CEREBRAL ANGIOGRAPHY; MENINGIOMA; NEURILEMMOMA; VERTEBRAL ARTERY