女,46岁,右侧颞部有米粒大小的褐色斑丘疹一年余。稍有发痒,缓慢生长,搔破后反复有血性渗出物、结痂、糜烂。1981年1月8日入院。体检:一般情况良好,心肺(一),肝脾未扪及。皮肤科情况:右侧颞部可见3×3cm大小、边界清楚的褐色病损,表面凹凸不平,呈颗粒状增生,质硬,中央约有1×1cm糜烂区,并有少量血性渗出物。组织病理报告:鳞状细胞大部分分化不良, Female, 46 years old, has brownish brown papules of rice size on the right ankle for more than a year. Slightly itching, slow growth, bloody exudates, scabs, and erosions after licking. Admitted to hospital on January 8, 1981. Physical examination: General condition is good, heart and lung (a), liver and spleen are not affected. Department of Dermatology: The right side of the eye can be seen 3 × 3cm size, brown lesions with clear boundaries, uneven surface, granular growth, hard, about 1 × 1cm in the central erosion area, and a small amount of bloody exudate. Histopathology report: Most squamous cells have poorly differentiated