Conclusions: the method that using the central point of C2 inferior articular process as a key anatomic landmark for determining the enter point of C1 pedicle screws is accurate and reliable.
结论：用枢椎下关节突中点作为术中判定寰椎椎弓根螺钉进钉点的方法准确可靠。
Conclusions: the method that using the central point of C2 inferior articular process as a key anatomic landmark for determining the enter point of C1 pedicle screws is accurate and reliable.
结论：用枢椎下关节突中点作为术中判定寰椎椎弓根螺钉进钉点的方法准确可靠。
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