Objective To investigate the function of estrogen in the proliferative and involuting stages of infantile hemangioma. Meothods Expression of estrogen receptor(ER),VEGF and bFGF were detected with SP immunohistochemical method in 42 cases of hemangiomas and 17 cases of vascular malformations.Results The label index(LI) of ER,VEGF and bFGF in the hemangioma was significantly higher than those in the vascular malformation and normal skin(P
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