Internal carotid artery occlusion by DSA: "diagnostic trap" relearned.
D000368:Aged; D001157:Arterial Occlusive Diseases / Q000000981:diagnostic imaging*; D002340:Carotid Artery Diseases / Q000000981:diagnostic imaging*; D002343:Carotid Artery, Internal / Q000000981:diagnostic imaging*; D003937:Diagnosis, Differential; D005260:Female; D006801:Humans; D008297:Male; D011859:Radiography; D013382:Subtraction Technique