骨巨细胞瘤是起源于松质骨的溶骨性肿瘤 ,属于潜在恶性 ,其治疗方法依据肿瘤分级而不同。自 1994年 1月～ 1995年10月 ,采取 4种不同方法治疗股骨下端骨巨细胞瘤 4例 ,均获5 a以上随访 ,结果不同 ,报告如下 :1　临床资料例 1,男 ,40岁 ,右膝隐痛 5个月入院。查体 :右股骨下端外 Giant cell tumor of bone is a osteolytic tumor that originated from cancellous bone and is potentially malignant. The treatment method differs depending on the tumor grade. From January 1994 to October 1995, 4 different methods were used to treat 4 cases of giant cell tumor of the lower femur. All patients were followed for more than 5 years. The results were different. The results were as follows: 1 Clinical data Example 1, male, 40 years old, The right knee was admitted for 5 months. Physical examination: outside the right femur