Vascular Anomalies are a diverse spectrum of disorders that require the expertise of hematologists and oncologists for their management. We will reveiw the classification system of these disorders. Specifically the difference between vascular tumors (benign and malignant) and vascular malformations. Discussion will then focus on medical treatment options for vascular tumors and vascular malformations. A final discussion will entertain new agents for the treament of these disorders and available protocols.