If the bone is markedly weakened by the metastasis, then a "pathologic" fracture is possible. 转移性病灶使骨明显脆弱，便可出现病理性骨折。
We suggest percutaneous cannulated screw insertion to promote cyst healing and prevent pathologic fracture.We devised a protocol for the management of unicameral bone cysts. 研究建议经皮置入中空螺丝来促进囊肿愈合及预防病理性骨折，同时建立处理单腔骨囊肿的治疗模式。
