恶性骨肿瘤的治疗应是在化疗、放疗等辅助治疗基础上的瘤段根治性切除。恶性骨肿瘤瘤段切除后的保肢重建方法依肿瘤病灶部位的不同应有所区别,对位于干骺端的恶性骨肿瘤,可采用人工关节假体置换术、同种异体骨半关节移植术、关节融合术等;而对于发生在骨干部位的恶性肿瘤,手术方式的选择更广。随着新辅助化疗的日渐成熟、影像 Malignant bone tumor treatment should be based on chemotherapy, radiotherapy and other adjuvant therapy based on the tumor segment radical resection. Malignant bone tumor resection after salvage limb salvage reconstruction method according to the different parts of the tumor should be different for metaphyseal malignant bone tumors can be used artificial joint replacement surgery, allograft bone and joint transplantation, Joint surgery, etc .; and for the malignant tumors occurred in the backbone, the surgical options of a wider choice. As neoadjuvant chemotherapy matures, images