骨是恶性肿瘤远地转移的一个好发部位,往往也是远地转移的首发部位。骨转移患者的预后差,治疗多为姑息性,但有部分患者可生存较长时间。骨转移患者多数有严重疼痛症状,部分患者可发生病理性骨折或压迫脊髓产生截瘫.,严重影响患者的生存质量,因 Bone is a predilection for the distant metastasis of malignant tumors, often the starting site for distant metastasis. The prognosis of patients with bone metastases is poor, mostly palliative treatment, but some patients can survive longer. Most patients with bone metastases have severe pain symptoms, some patients may have pathological fractures or spinal cord compression paraplegia. Seriously affect the quality of life of patients, due to