结果得出了椎动脉沟半距、椎弓、寰椎前后结节等结构的测量数据。
Result Obtaining the data of the radius of arterial groove vertebral arch, the tuberculum posterius and anterior altantis .
寰椎侧块螺钉与枢椎椎弓根螺钉徒手植入技术简单、可靠，值得推广。
The technique of free hand insertion with the lateral mass screw of atlas and vertebra dentata pedicle screw is simple, fixation is reliability and is well worth to spreading.
目的探讨寰椎椎弓根螺钉的置钉方法。方法以电子游标卡尺测量48具干燥寰椎标本的相关解剖学数据；
Objective To improve the method of atlas pedicle screw fixation. Methods The anatomic data related to pedicle screw fixation were measured on 48 dry atlas specimens with an electronic caliper.
术中应用经后路通用脊柱椎弓根钉棒矫形固定系统固定，同时在寰椎后弓和枢椎椎板间大量髂骨植骨融合。
Intraoperative posterior approach general spine pedicle screw-rod orthopaedics fixation system used and iliac bone block were implanted in space of posterior atlantal arch and axial vertebral plate.
目的：探讨后路寰枢椎椎弓根钉固定技术治疗寰枢椎不稳或脱位的临床疗效及影像学评估。
Objective: to explore the clinical efficacy and imaging assessment of posterior arthrodesis with pedicle screw fixation in the treatment of atlantoaxial instability or dislocation.
术前ct及三维重建评估寰枢椎椎弓根螺钉的进钉点、进钉方向等参数。
The parameters were assessed by preoperative ct and three-dimensional reconstruction such the entry point and Angle of atlantoaxial pedicle screws.
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。
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.
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