This study was designed to investigate the efficacy of percutaneous vertebroplasty (PVP) on metastatic spinal tumor under the guidance of digital subtraction angiography (DSA).

• 本研究探讨数字减影血管造影(digital subtraction angiography,DSA)机引导下经皮穿刺椎体成形术(percutaneous vertebroplasty,PVP)治疗脊柱转移瘤患者的疗效。