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FIG 1. 48-year-old woman with left frontal AVM.
A and B, Conventional angiograms show an AVM fed by branches of the anterior cerebral artery. It drains into the superior sagittal sinus via several draining veins.
C–G, Original images of MR DSA (5/2.3/1) in the sagittal plane. C is a mask image. Scans for D, E, F, and G were initiated 1.22 seconds, 2.44 seconds, 4.27 seconds, and 7.93 seconds after C, respectively. Scanning time for each image was 0.61 seconds.(cont'd) 
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