患者陈X，男，56岁，发现右眼下睑黑色德两年，因觉其渐渐增大，要求切除。检查：右眼下睑见－10X5mm大小黑色丘疹样结书，表面硬而不平，局部无压痛，周围皮肤不硬。行病理切片示：基底细胞癌。术前检查：全身浅表淋巴结不肿大，各脏器未发现异常。手术方法：距肿瘤边缘正常皮 Patient Chen X, male, 56 years old, found that his right lower eyelid was black for two years, because of its gradual increase, requiring resection. Check: See the right eyelid -10X5mm size black papules sample book, the surface is hard and uneven, local no tenderness, the skin around is not hard. Pathological section showed: basal cell carcinoma. Preoperative examination: systemic superficial lymph nodes did not enlarge, no abnormalities found in various organs. Surgical methods: normal skin from the edge of the tumor