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Figure 2: (a) Cerebral angiography displaying the right dissecting vertebral artery (VA) aneurysm involving the origin of posterior inferior cerebellar artery (PICA). (b) Intra-operative photograph showing the dissecting aneurysm involving the origin of PICA. (c) Intra-operative photograph showing permanently clipped proximal and distal edges of VA after resection of the aneurysm and the black arrow pointing the occipital artery (OA) -PICA anastomotic site. (d) Post-operative cerebral angiography displaying the patent anastomosis 1 week after the surgery (short black arrow: Aneurysm; long black arrow: Anastomotic site; short white arrow: OA; long white arrow: PICA)

Figure 2: (a) Cerebral angiography displaying the right dissecting vertebral artery (VA) aneurysm involving the origin of posterior inferior cerebellar artery (PICA). (b) Intra-operative photograph showing the dissecting aneurysm involving the origin of PICA. (c) Intra-operative photograph showing permanently clipped proximal and distal edges of VA after resection of the aneurysm and the black arrow pointing the occipital artery (OA) -PICA anastomotic site. (d) Post-operative cerebral
angiography displaying the patent anastomosis 1 week after the surgery (short black arrow: Aneurysm; long black arrow: Anastomotic site; short white arrow: OA; long white arrow: PICA)