<unk> s, are<unk>  growths formed from blood vessels; such as, hemangioma, hemangioendothelioma, Kaposi sarcoma. They exhibit a wide range of clinical manifestations, and may occur as isolated lesions or may occur as manifestation of multi-system syndromes and diseases. Their diagnosis and management depends on their clinical manifestations and coexistent anomalies. International Society for the Study of<unk>  Anomalies (ISSVA) has classified these lesions into<unk> s and related lesions.
Benign vascular tumor
Vascular tumor
Vascular tissue neoplasm
Angioma
Lymphangioma
Hemangioma
Cavernous angioma
Arterial thrombosis