ARTERIAL EMBOLIZATION, ANGIOGR. ARTERIAL EMBOLIZATION, ANGIOGR. Embolization is a technique used to treat arterial disease. In case of localized tumors, the objective is to block an artery feeding tumor tissue in order to destroy the tumor cells. In case of arteriovenous aneurysm, embolization closes the abnormal communication between an artery and a vein. Here, on the left, a glomic tumor of the carotid before embolization, and on the right after embolization dearterializing the tumor with b