寰枢椎后路经关节螺钉固定新定位标志透视参数的解剖研究  

Anatomic study of radiologic parameters about new location mark in the posterior atlanto-axial transarticular screw fixation

作　　者：陈庄洪[1] 余伦红[2] 黄继锋[1] 蔡贤华[1] 黄卫兵[1] 

机构地区：[1]中国人民解放军武汉总医院骨科,武汉430070 [2]南方医科大学研究生队,广州510515

出　　处：《中国临床解剖学杂志》2005年第5期463-466,共4页Chinese Journal of Clinical Anatomy

摘　　要：目的:探讨寰枢椎后路经关节螺钉固定新的定位标志及其X线透视中相关量化参数值。方法:在40例国人的干燥寰枢椎配对标本上确定新的定位标志并测量与X线透视相关的解剖数据。结果:新定位标志在枢椎椎弓根的轴向平分线外侧或恰在其上,枢椎上关节面出钉点透视参数:到外缘距左(7.1±0.9)mm,右(6.8±0.9)mm;到后缘距左(6.3±0.7)mm,右(6.5±0.7)mm;到内缘距左(15.2±1.2)mm,右(15.5±1.1)mm;骨性钉道总长左(36.7±2.8)mm,右(36.2±2.9)mm。结论:新定位标志为枢椎下关节突下缘正中点,解剖标志容易明确,螺钉固定术中透视参数容易把握,钉道长,固定可靠。Objective：To discuss a new location mark and obtain some X-ray radiologic parameters in the posterior atlanto-axial transarticular screw fixation. Methods：To determine new location mark and then make the anatomic measurement correlating X-ray fluoroscopy on 40dry adult samples of atlas and axis, which were paired. Results： The new mark located on the lateral of pedicle bisector of dentate or just on it. The radiologic parameters of the screw for superior articular facet of dentate were as follows： distance to outside edge were left （7. 1±0.9）mm, right（ 6.8±0.9）mm; distance to posterior edge were left（ 6.3±0.7）mm, right （6.5±0.7）mm; distance to inner edge were left （15.2±1.2）mm, right （15.5 ±1. 1）mm; the total length of screw trajectory in bone were left （36.7±2.8）mm, right （36.2±2.9）mm. Conclusions： The new location mark is the center of lower edge on axial processus articularis inferior. The bony landmark and radiologic parameters can be easily grasped in operation of posterior atlanto-axial transarticular screw fixation. For the long distance of screw trajectory, a firm fixation can be reached.

关 键 词：寰枢椎 经关节螺钉固定 X线透视 解剖学 

分 类 号：R323.1[医药卫生—人体解剖和组织胚胎学] R683.2[医药卫生—基础医学]