Many malignant tumors cause bone metastases frequently and bring about such complications as bone pain?pathological bone fracture?spinnal cord compression and hypercalcemia,etc.

• 骨骼是恶性肿瘤常见的转移部位之一,并可带来一系列的并发症,如骨痛、病理性骨折、脊髓压迫症和高钙血症等。