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A, Patient 4, primary intervention. Anteroposterior view of a vertebral artery angiogram shows an FVBGA involving the distal V4 segment of the left vertebral artery. B, Patient 4, primary intervention. Anteroposterior view of a vertebral artery angiogram demonstrates the final stent position. C, Patient 4, primary intervention. Anteroposterior view of a vertebral artery angiogram shows patency of the stents with adjacent contrast agent pooling, indicating hemostasis inside the aneurysm.
