432839.fig.003a
(a)
432839.fig.003b
(b)
432839.fig.003c
(c)
Figure 3: A 17-year-old boy was presented with sudden loss of consciousness and generalized seizure attack. Nonenhanced CT study (a) showed acute intraventricular hemorrhage. CT angiography (b, c) disclosed occlusion of bilateral prebifurcation M1 segment of middle cerebral arteries with some moyamoya vessels (arrows).