Objective To research the expression of P53 and Bcl - 2 in epithelial squamous cell carcinoma (SCC), basal cell carcinoma (BCC) and seborrheic karatosis, then analyse its significance.

• 目的探讨 P53蛋白、 BCl－ 2蛋白在皮肤鳞状细胞癌（ SCC）、基底细胞癌（ BCC） 及脂溢性角化病（SK）中的表达及意义。