PMC3634211_01
(a and b) MRI angiography of the brain showing irregular narrowing of the distal internal carotid artery and proximal cerebral artery, with extensive bilateral collateralization, tortuous leptomeningeal and transdural collaterals spreading over the frontal, parietal, and occipital lobes
AMHSR-3-125-g001.jpg
PMC3634211_01_AMHSR-3-125-g001.jpg
F1
(a) DSA showing collaterals filling the posterior cerebral artery. (b) DSA showing bilateral complete occlusion of anterior and middle cerebral arteries with collaterals
AMHSR-3-125-g002.jpg
PMC3634211_01_AMHSR-3-125-g002.jpg
F2