史亚民,柴伟,侯树勋,孙彦,王华东.胸椎椎弓根形态测量研究[J].中国脊柱脊髓杂志,2002,(3):.
胸椎椎弓根形态测量研究
A study on the morphology of thoracic pedicles
  
DOI:
中文关键词:  胸椎,椎弓根,形态学
英文关键词:Thoracic vertebra,Pedicle,Morphology
基金项目:
史亚民  柴伟  侯树勋  孙彦  王华东
解放军304医院骨科,解放军304医院骨科,解放军304医院骨科,解放军304医院骨科,上海市第二军医大学98级海医系 100037 北京市,100037 北京市,100037 北京市,100037 北京市
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中文摘要:
  目的:观察不同节段胸椎椎弓根形态特征,探讨其临床意义。方法:测量40具国人胸椎标本的椎弓根横径、矢状径、矢状面夹角、椎弓根间距、椎弓根后缘皮质到椎体前缘皮质距离及椎弓根-椎板夹角,观察椎弓根后缘中点与相应横突根部的关系。结果:(1)除T1外,各节段椎弓根矢状径均明显大于横径(P<0.01);(2)椎弓根矢状面夹角从T1到T9逐渐减小,T10以下为负角;(3)椎弓根后缘皮质沿其轴线到椎体前缘的长度从T1到T7逐渐增加,T7到T12基本相同;(4)T1与T12椎弓根螺钉拟进钉点位于横突根部中点,T2及T11位于横突根部中上1/3点,其余各节段均位于横突根部上缘。结论:进行胸椎椎弓根螺钉固定时,应根据不同节段椎弓根形态特点,结合X线片或CT片,选择相应的螺钉直径、长度、进钉部位及方向。
英文摘要:
  Objective:To discuss the morphologic features of thoracic pedicles in different segments and its clinical significance. Method: The transverse and sagittal diameter of the thoracical pedicles,sagittal pedicle angle,distance between two pedicles,length of
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