Methods 42 paraffin embedded specimens of BCC were identified under light microscopy. P53 protein expression was observed using S P immunohistochemistry.

• 2方法 42例经常规石蜡包埋皮肤基底细胞癌标本 ,镜检确定组织学类型 ,应用免疫组织化学 S- P法检测 P5 3蛋白表达。