The procedure:
Through puncture of the vessel malformations, a solution is inserted into the veins, which irritates the vascular endothelium causing the vessel to collapse and stick together. The most common sclerosant is polidocanol - a detergent that can be used as a liquid or foam. The medication is available in different concentrations, which are used depending on the diameter and the thickness of the wall of the vessel. After injecting the vessel, pressure is applied locally and, in some cases,, a temporary lift of the limb