转移性骨肿瘤显微镜视图。该区域的放射摄影扫描显现为“热点”。转移性病灶使骨明显脆弱，便可出现病理性骨折。
Here is a microscopic view of metastases to bone. Such areas appear as "hot spots" on radiographic scans. If the bone is markedly weakened by the metastasis, then a "pathologic" fracture is possible.