• Ruipeng Song, Daoyang Fan, Han Wu, Zhen Zhang, Liang Zhao, Yilin Liu, Wensheng Liao, Hongyu Tan, Limin Wang, and Weidong Wang.
• Department of Orthopedic Surgery, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan, China.
• Spine. 2017 Apr 15; 42 (8): 573-577.

Study DesignA case report and review of the literature.ObjectiveThe aim of this study was to describe the successful treatment of one posterior atlantoaxial dislocation without fracture and to review the relevant literature.Summary Of Background DataPosterior atlantoaxial dislocation without fracture of the odontoid process is extremely rare. Management of these patients is still unknown.MethodsA posterior atlantoaxial dislocation without fracture in a 58-year-old man with incomplete quadriplegia was treated surgically with posterior atlantoaxial pedicle screws internal fixation and fusion after closed reduction. The images, treatment, and related literature are reviewed.ResultsThe patient had complete recovery of neurologic deficit and bony fusion of the atlantoaxial joint was identified on the follow-up computed tomography taken 3 months after posterior fixation. To our knowledge, no case of posterior atlantoaxial dislocation with neurologic deficit has been previously reported in English medical literature.ConclusionWe described a rare case of posterior atlantoaxial dislocation with neurologic deficit. Treatment procedure of posterior atlantoaxial dislocation was presented.Level Of Evidence5.

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