Gadolinium-Improved MR angiography is useful To guage feeding arteries and draining veins. The presence of an early venous filling is usually witnessed in AVMs. Using time-fixed MR angiography sequences, now it is feasible To judge the dynamic enhancement of AVMs. This kind of AVM may be tough to deal with. https://www.sgvascularctr.com/understanding-venous-malformation-treatments-in-singapore/