Sclerosant should be to denude the endothelial cell with the vascular wall and precipitate its protoplasm then lead to fractures to the extent of the internal elastic lamina. Platelet aggregation within the denuded area then embolizes the vessel from the periphery to the center (43,44). The risk of perioperative morbidity https://www.sgvascularctr.com/service/vascular-malformations/