Vascular tumor may mean:

• tumor of vascular origin, a growth ( Malignant vs. benign) formed from blood vessels; for example, hemangioma, hemangioendothelioma, Kaposi sarcoma, angiosarcoma, etc.

• a highly vascularized tumor or poorly vascularized tumor, referring to the degree of adequate or inadequate (ischemic) blood supply to a tumor formed from any biological tissue