目的探讨寰枢椎不稳定患者行寰枢椎后路经关节改良螺钉内固定手术方法与疗效。
Objective To study the operative method and effect of posterior atlantoaxial facet screw fixation for atlantoaxial instability.
所有患儿均行后路融合术，其中寰枢椎融合14例，枕颈融合术8例。
Atlantoaxial fusion was used to treat 14 patients. Occipito cervical fusion was chosen for 8 patients.
目的：探讨后路经C1、C2侧块关节螺钉固定、颗粒状松质骨植骨行寰枢关节融合治疗寰枢关节不稳的效果。
Objective:To explore a new technique for posterior fusion of C1-C2with transarticular screw fixation and autogenous granulated cancellous bone graft.
应用推荐