Location, location, location: angiography discerns early MR imaging vessel signs due to proximal arterial occlusion and distal collateral flow.
Liebeskind
David S
DS
D002533:Cerebral Angiography; D002536:Cerebral Arteries / Q000473:pathology*; D002560:Cerebrovascular Circulation; D003097:Collateral Circulation; D006801:Humans; D020767:Intracranial Thrombosis / Q000175:diagnosis; D008279:Magnetic Resonance Imaging; D020521:Stroke / Q000175:diagnosis*