方法：利用免疫组织化学方法对6 5例婴幼儿口腔颌面部血管瘤标本的雌激素受体（ER）进行检测。
Methods:65 specimens of oral and maxillofacial hemangioma were studied with immunohistochemical techniques for the expression of estrogen receptor (ER).
目的：探讨液氮冷冻法对婴幼儿皮肤草莓状血管瘤治疗及护理。
Objective To investigate the liquid nitrogen freezing method of infant skin strawberry hemangioma treatment and care.
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