腰椎上关节突外缘与椎弓根中心关系的解剖学观测及其临床意义  

Applied anatomy and clinical significance of the relationship between the lateral margin of the superior facet and the pedicle center of lumbar vertebrae

作　　者：杜心如[1] 张一模[1] 赵玲秀[1] 叶启彬[2] 

机构地区：[1]承德市承德医学院附属医院骨科,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319-321,共3页Chinese Journal of Clinical Anatomy

摘　　要：目的 :探讨腰椎上关节突外缘的形态特点及其与椎弓根中心的关系。方法 :对 10 0套成人干燥腰椎骨标本上关节突乳突的形态特点及其外缘切线与椎弓根外侧骨皮质及中心进行了观测。结果 :L110 0 % ,L2 98.1% ,L396 .4% ,L4 4 5 .8% ,L58.1%上关节突外缘切线位于椎弓根中心的外侧。上关节突外缘切线距椎弓根外侧骨皮质的距离为L1(1.8± 0 .7)mm ,L2 (1.5± 0 .5 )mm ,L3(2 .3± 1.5 )mm。结论 :上关节突外缘多位于椎弓根中心的外侧 ,以它做为椎弓根螺钉进钉的定位标志过于偏外。Objective:To study the quantitative relationship between the lateral margin of the superior facet and the pedicle center of lumbar vertebrae.Methods: The lateral margin of the superior facet and the pedicle center are observed on 100 dry adult lumbar vertebrae specimens.Results: The margin was lateral to the center in 100% L 1,98.1% L 2,96.4% L 3,45.3% L 4,8.1% L 5.The distance from the margin to the lateral cortex of the pedicle is 1.8±0.7 mm in L 1,1.5± 0.5 mm in L 2 and 2.3±1.5 mm in L 3.Conclusion: The lateral margin of the superior facet is not a ideal mark of pedicle screw entrance point because it is lateral to the pedicle center.

关 键 词：腰椎 椎弓根 上关节突 螺钉进钉点 

分 类 号：R681.5[医药卫生—骨科学] R602[医药卫生—外科学]