There are three groups of vascular tumors: benign, locally aggressive and malignant lesions. This discussion will be limited to benign (e.g. hemangioma) and locally aggressive tumors (e.g. Kaposiform hemangioendothelioma) as these are more commonly encountered.
see also Vascular Anomalies and Vascular Malformations
Content in these topics is referenced in SCORE Vascular Anomalies overview
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