Enlarged anterior spinal artery as collateral circulation.
D000328:Adult; D000368:Aged; D001157:Arterial Occlusive Diseases / Q000150:complications; D001165:Arteriovenous Malformations / Q000150:complications; D002339:Carotid Arteries / Q000002:abnormalities*; D002533:Cerebral Angiography; D002539:Cerebral Arterial Diseases / Q000150:complications; D002560:Cerebrovascular Circulation; D003097:Collateral Circulation; D005260:Female; D006801:Humans; D002537:Intracranial Arteriosclerosis; D008297:Male; D013116:Spinal Cord / Q000098:blood supply*; D014711:Vertebral Artery