Next ethanol embolization, a diffuse capillary hypervascularity without the need of substantial residual shunting is often observed on Doppler ultrasound or DSA within the embolized area. This type of AVM is often challenging to handle. It is actually characterised by a mesh-like network of arterioles draining right into a nidus https://www.sgvascularctr.com/understanding-venous-malformation-treatments-in-singapore/