Fig. 2From: Diagnosis and clinical course of ocular ischemic syndrome with retinal vascular abnormalities due to unilateral ocular artery and internal carotid artery stenosis in a child with neurofibromatosis type 1: a case reportCerebral angiography, MR angiography (MRA) and arterial spin labeling (ASL) images from MRI. Cerebral angiography revealed significant stenosis of the right eye artery throughout (a; arrow head). MRA showed a marked stenosis of the right internal carotid artery at the ophthalmic segment (b; arrow). MRA shows the right middle meningeal artery (c; arrows) supplying the orbit via the recurrent meningeal artery (c; arrow head). In ASL MRI images, there was no difference in the cerebral blood flow between the left and right sides, nor a decrease in blood flow on the right side (d)Back to article page