Conclusion: For cervical spine tumor necessitating removal of, one side facet joints. posterior bilateral mass plate fixation is superior than unilateral mass fixation biomechanically.

• 结论：颈后路侧块钢板固定植骨融合可以实现颈椎肿瘤单侧关节突关节切除后的颈椎稳定性重建。