Expressions of EGF and EGFR were observed by immunohistochemistry in 43 cases of basal cellcarcinoma(BCC),and in 26 cases of squamous cell carcinoma(SCC).

• 应用免疫组化法观察了43例基底细胞癌（BCC）、26例鳞状细胞癌（SCC）表皮生长因子（EGF）及其受体（EGFR）的表达。