腰椎横突平分线与椎弓根侧方平分线关系的解剖学观测及其临床意义  被引量:9

Applied anatomy and clinical significance of the relationship between the center of the pedicle and the axis of the transverse process of lumbar vertebrae

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作  者:杜心如[1] 赵玲秀[1] 张一模[1] 叶启彬[2] 

机构地区:[1]承德市承德医学院附属医院骨科临床解剖研究室,067000 [2]中国医学科学院

出  处:《中国临床解剖学杂志》2000年第4期317-318,共2页Chinese Journal of Clinical Anatomy

摘  要:目的 :探讨腰椎横突平分线与椎弓根侧方平分线的关系。方法 :对 10 0套干燥腰椎骨标本横突平分线与椎弓根侧方平分线的关系及距离进行了观测。结果 :在L1有 83 .1% ,L2 73 .1% ,L372 .4% ,L4 87.5 % ,L55 4.1%的横突平分线位于椎弓根侧方平方分线下方 ,距离为L1(2 .4± 1.0 )mm ,L2 (2 .4± 0 .8)mm ,L3(2 .3± 0 .9)mm ,L4 (2 .9± 0 .8)mm ,L5(2 .3± 0 .7)mm。结论 :横突平分线多不通过椎弓根中心 ,所以横突平分线作为腰椎椎弓根螺钉的横向定位标志欠准确。Objective: To discuss the relationship between the center of the pedicle and the axis of the transverse process.Methods: The distance from the center of the pedicle to the axis of the transverse process were measured on 100 dry lumbar vertebrae specimens.Results: The axis of the transverse process are inferior to the center of the pedicle in 83.1% L 1, 73.1% L 2, 72.4% L 3, 87.5% L 4, 54.1% L 5, and the distance is 2.4±1.0 mm in L 1,2.4±0.8 mm in L 2, 2.3±0.9 mm in L 3, 2.9±0.8 mm in L 4, 2.3±0.7 mm in L 5.Conclusion: Because the axis of the transverse process does not cross the center of pedicle, it is not a ideal mark of pedicle screw entrance point.

关 键 词:横突 椎弓根 螺钉进钉点 腰椎 解剖学 

分 类 号:R681.5[医药卫生—骨科学] R602[医药卫生—外科学]

 

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