Method The clinical and imaging data of 8 patients, who suffered from the instability of the craniocervical junction after the odontoi-dectomy, were analyzed retrospectively.

• 方法回顾性分析术后8例不稳定病例的诊断治疗经过。结果7例经枕下减压,枕颈融合固定取得了满意效果。