Fig. 2

Neuroimaging findings of Case 2. a CT scan of the head shows a subtle cortical subarachnoid hemorrhage along the right parietal sulci (arrow heads). b FLAIR sequence of the MRI shows the distribution of a subarachnoid hemorrhage (arrow heads). c Lateral magnified view of the right internal carotid angiogram, late arterial phase, shows a stenosis (arrow) and post-stenotic delayed opacification in the area of peripheral middle cerebral artery. d Lateral magnified view of the right internal carotid angiogram obtained one week after onset shows a disappearance of stenotic findings and normal perfusion (arrow)