[Application of transarticular C1/2 screws connected with C1 lateral mass screws in a rod-screw system].


Neurochirurgische Klinik, Universitätsklinik Köln, Kerpenerstraße 62, 50937, Köln, Deutschland. [Email]


Fractures of the second cervical vertebra with involvement of the odontoid process can mostly be treated conservatively by immobilization. In the case of high-grade unstable fractures and pseudarthrosis dorsal C1/2 spondylodesis should be considered.Based on established atlantoaxial osteosynthesis techniques for dorsal C1/2 spondylodesis, a polyaxial screw-rod system with C1/2 transarticular screws connected with C1 lateral mass screws was carried out in a 56-year-old male patient with dislocated odontoid fracture.No intraoperative or postoperative complications occurred. During a follow-up of 36 months there was no screw loosening or dislocation.The presented alternative technique of dorsal C1/2 spondylodesis is a safe and effective method for stabilizing the atlantoaxial movement segment in cases of posttraumatic instability.


Atlantoaxial instabiliy,Harms C1/2 fixation technique,Magerl transarticular C1/2 fixation technique,Odontoid fracture,

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