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Follow-up vertebral angiograms at 8 months after double overlapping stenting on the left VADA showing stable occlusion of right VADA (A) and marked growth of the left VADA (B). Postoperative left vertebral angiogram after coil packing into the two different pseudosacs shows near complete obliteration of left VADA, while sparing left PICA flow (C). VADA : vertebral artery dissecting aneurysm, PICA : posterior inferior cerebellar artery.
