Transpedicular screw fixation is used widely in spine surgery, especially in orthopedic surgery.
椎弓根螺钉内固定技术在脊柱外科，尤其在脊柱矫形中的应用越来越广泛。
Objective: to provide the anatomical data of screw diameter for the use of transpedicular screw fixation.
目的：为椎弓根内固定术选用螺钉直径提供解剖学资料。
Objective: To describe the techniques and indications of transpedicular screw fixation in cervical spine, and to provide clinical experience.
目的：介绍颈椎弓根螺钉的应用方法和适应证，为临床提供应用经验。
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