骨肿瘤分为原发性及转移性，原发性骨肿瘤有良。恶性之分。绝大多数良性骨肿瘤不用放射治疗，仅有骨巨细胞瘤及血管瘤等采用放射治疗。通常实施放射治疗的主要是恶性骨肿瘤及转移癌。对放疗敏感的血管瘤、骨巨细胞瘤、尤因肉瘤、原发于骨的恶性淋巴瘤及骨髓瘤等，可首选放疗作? Bone neoplasms are divided into primary and metastatic, and primary bone tumors are good. Malignancy. The vast majority of benign bone tumors do not use radiation therapy, and only giant cell tumors of bone and hemangiomas are treated with radiation therapy. The main treatments for radiation therapy are malignant bone tumors and metastatic cancers. For radiotherapy-sensitive hemangiomas, giant cell tumors of the bone, Ewing’s sarcoma, primary lymphoma of the bone, and myeloma, radiotherapy can be preferred.