title: LEPTOMENINGEAL ARTERIAL ANASTOMOSES: AN UNUSUAL ANGIOGRAPHIC PICTURE.
mesh_terms: D000715:Anatomy; D000792:Angiography; D001158:Arteries; D002533:Cerebral Angiography; D003097:Collateral Circulation; D006801:Humans; D002532:Intracranial Aneurysm; D008576:Meningeal Arteries
keywords: ANATOMY; CEREBRAL ANEURYSM; CEREBRAL ANGIOGRAPHY; COLLATERAL CIRCULATION; MENINGEAL ARTERIES