PMC4494529_01
Radiographic and Intraoperative Images of Fenestrated Vertebral Artery. MRA time of flight study demonstrating rotated views of the vertebrobasilar circulation. The right vertebral artery demonstrates fenestration in the V4 segment (A-C). Intraoperative photo demonstrating intradural origin and fenestration of the right vertebral artery (D).
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FIG1
Figure 1 shows a time-of-flight MRA demonstrating fenestration of the right vertebral artery (Figures 1A-1C) as well as an intraoperative view of the intradural origin of the artery (Figure 1D).