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A : Brain MR axial imaging. Dilated vein of Galen is observed. B and C : Cerebral angiography. The lesion has multiple direct fistulae from lenticulostriate artery, pericallosal artery, and posterior cerebral artery to the vein of Galen (B). The lesion was embolized with multiple coils via 2 times of transvenous approach (C). D : Brain CT. Diffuse brain swelling and intracranial hemorrhage are observed. MR : magnetic resonance, CT : computed tomography.
