Defined as two or more vascular malformations found in a single lesion. Abnormalities within the origin/study course/amount of significant blood vessels that have anatomical names Syndromes in which vascular malformations are sophisticated by indicators apart from vascular anomalies Understanding of the pathophysiologic and genetic basis of vascular tumors and malformations https://www.sgvascularctr.com/service/vascular-malformations/