Posterior margin of lumbar vertebral posterior regional node appeared as arch protruding into spine canal, resulting in stenosis of spine canal and intervertebral foramen.
位于椎体后缘者可导致椎管狭窄，如其后缘断裂则可能合并椎间盘突出。
2
Conclusion:The incidence of vertebral artery injury after cervical transverse foramen fracture is quite high, particularly those associated with locked facet dislocation.
结论：急性颈椎横突孔骨折患者椎动脉损伤的发生率较高，尤其伴小关节绞锁脱位者；
3
Objective: To study the clinical significance of axis transverse foramen in the etiology of the vertebral artery insufficiency after cervical rotational movement.