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. 2018 Feb 2;10(10):969–974. doi: 10.1136/neurintsurg-2017-013602

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Patient with wide-necked basilar tip aneurysm. (A) Subtracted angiogram of left vertebral artery shows small basilar tip aneurysm with 4 mm neck. (B, C) Non-subtracted image after placement of Barrel vascular reconstruction device (VRD). (D, E) Subtracted and non-subtracted angiograms of vertebral artery at procedure end show complete obliteration of neck remnant. (F) Angiogram at 12-month follow-up shows complete aneurysm occlusion.