Sclerosant will be to denude the endothelial mobile from the vascular wall and precipitate its protoplasm then trigger fractures to the extent of The inner elastic lamina. Platelet aggregation about the denuded surface area then embolizes the vessel in the periphery to the middle (43,forty four). Vascular anomalies are birthmarks https://www.sgvascularctr.com/service/vascular-malformations/