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FIG 1. 54-year-old patient with Wyburn-Mason syndrome and bilateral mirror-image parietal AVMs.
A, Axial T2-weighted (2900/87.5/2) image shows flow voids in both AVMs and the set-up acquisition block for the anteroposterior projection MR-DSA. Note that the anterior cerebral arteries are not included.
B, Right carotid selective conventional catheter angiogram shows the right-sided AVM.
C–E, Several stages of MR-DSA during the passage of a contrast bolus in a Towne projection. Early arterial phase (C), late arterial phase (D), and early venous phase (E).
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