血管畸形长期以来一直被视为一种先天性良性肿瘤’‘］。常与真正的血管肿瘤相混淆，给血管病变在诊断和治疗上造成了许多困难。国外学者Mulliken［‘］等人根据血管内及细胞特性将血管畸形和血管瘤视为两种完全不同的血管病变，并且指出了二者在组织病理和临床表现上的区别。 Vascular malformations have long been considered a congenital benign tumor. Often confused with real vascular tumors, to vascular disease in the diagnosis and treatment caused many difficulties. Foreign scholar Mulliken [] and others based on intravascular and cellular characteristics of vascular malformations and hemangiomas as two completely different vascular lesions, and pointed out that the two in the histopathological and clinical manifestations of the difference.