Described as two or even more vascular malformations located in a single lesion. Abnormalities while in the origin/system/number of important blood vessels that have anatomical names Syndromes in which vascular malformations are complicated by signs and symptoms apart from vascular anomalies Dr. Tollefson: We now have a great number of https://www.sgvascularctr.com/service/vascular-malformations/