Fig. 1From: Paroxysmal freezing of gait in a patient with mesial frontal transient ischemic attacks a Diffusion axial brain MRI scan shows no abnormalities. b Cerebral MR angiography shows atherosclerotic narrowing in the left anterior cerebral artery (arrow). c Perfusion axial brain MRI scan shows delayed mean transit time in the left mesial frontal lobeBack to article page