There are three common types of vascular nevi; namely, the capillary hemangioma (port wine stain), hemangioma simplex (strawberry mark), and the cavernous hemangioma. Spontaneous involution may occur. There is also the tendency for some hemangiomas to grow very large and to become ulcerated. If ulceration occurs, sepsis as well as cosmetic defects may ensue. Delay in starting treatment while waiting for spontaneous involution may provoke serious problems. The cosmetic appearance of the treated site is usually the most important consideration, and, accordingly, early institution of treatment and the prevention of secondary infection are recommended.
Andrews GC, Domonkos AN, Bembenista JK. HEMANGIOMAS-TREATED AND UNTREATED. JAMA. 1957;165(9):1114–1117. doi:10.1001/jama.1957.02980270024006
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