Adhering to ethanol embolization, a diffuse capillary hypervascularity with no major residual shunting may be noticed on Doppler ultrasound or DSA while in the embolized region. Surgical treatment: Surgical removal on the AVM can be vital if it is producing sizeable signs and symptoms or if there is a threat https://www.sgvascularctr.com/understanding-venous-malformation-treatments-in-singapore/