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Frontal digital subtraction angiograms: preintervention (A) and postintervention (B) with both liquid embolization and microcoils (red arrow). Preintervention image (A) during right L2 lumbar artery contrast injection shows abnormal filling of a dilated right radicular ascending vein (green arrow) and dilated epidural veins (red arrow in B). Postintervention image (B) displays interval resolution of the arteriovenous fistula and dilated epidural venous plexus.
