【目的】通过测量颈椎椎弓根尺寸?进钉点和进钉角度为置入椎弓根螺钉提供依据? 【方法】 选择2004年12月-2005年10月 惠州市中心人民医院骨科收治怀疑颈椎损伤患者60例,男30例,年龄(42.9±18.9)岁,女30例,年龄(42.2±14.9)岁?排除颈椎病理改变?60例患者行颈椎CT扫描,扫描范围C2~T1,扫描电压140 kV,200~250 mA?【结果】 颈椎椎弓根平均内径为1.3 ~ 3.3 mm,颈椎椎弓根平均外径为4.0 ~ 7.0 mm,最小的椎弓根宽度在女性颈3椎体 ...
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