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FIG 1. Case 2.
A, Right vertebral angiogram on day 1, anterolateral view, shows no abnormal findings.
B, Follow-up right vertebral angiogram on day 7 shows a dissecting aneurysm in the vertebral artery, distal to the PICA origin.
C, Right vertebral angiogram immediately after embolization of the dissection site.
D, Follow-up MR angiogram 7 months after embolization.
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