Hemangiomas and Vascular Malformations

Hemangiomas are vascular tumors arising in infancy with true cellular proliferation, which eventually regress. Vascular malformations represent errors in vascular morphogenesis (dysplastic vessels) without true cellular proliferation and without regression.
   
 
Vascular TumorsVascular Malformations
Infantile and Congenital
Hemangiomas
Capillary Malformation (slow flow):
Port-Wine Stain (Nevus Flammeus)
Kaposiform
Hemangioendothelioma
Venous Malformation (slow flow):
Cavernous Hemangioma, Phlebectasia
Pyogenic Granuloma
Lymphatic Malformation (slow flow):
Lymphangioma (Lymphangioma Circumscriptum Cystic Hygroma, Cavernous Lymphangioma)
Tufted Angioma
Arteriovenous Malformation (fast flow):
Cirsoid Aneursm
Congenital
Hemangiopericytoma
Combined Malformation (slow or fast flow)