<unk>  constitute a wide array of disorders ranging from benign lesions such as infantile hemangioma to aggressive malignant tumors such as angiosarcoma. Commonly used misnomers and confusing nomenclature has often presented difficulties for accurate diagnosis and appropriate management. International Society for the Study of<unk>  (ISSVA) has now classified<unk>  into vascular tumors and vascular malformations with an unclassified category for lesions that show clinical and histological characteristics unique from disorders classified in vascular tumors and vascular malformations.
Vascular anomalies
Vascular ring
Lymphatic malformation
Vascular malformation
Soft tissue disorder
Venous malformation
Anorectal anomalies
Congenital heart disease