颈椎后纵韧带骨化症的X线和CT诊断

目的：探讨X线平片和CT对颈椎后纵韧带骨化症的诊断价值。方法：对24例颈椎后纵韧带骨化症的影像特征结合文献进行分析。结果：颈椎后纵韧带骨化症在X线平片和CT影像学上有特征性的表现。X线平片可分为4个类型：①连续型；②间断型；③局灶型；④混合型。CT表现为椭圆形，横条形，山丘形，覃伞形，三角形；并通过测量骨化的厚度计算椎管狭窄率。结论：X线平片和CT检查技术对颈椎后纵韧带骨化症的诊断和鉴别诊断具有重要意义。

X - ray and CT Diagnosis of Ossification of The Posterior Longitudinal Ligament

Objective: To explore diagnostic value of Ossification of the posterior longitudinal ligament with X- ray and CT. Methods:Combining literature, to analysize the imaging features of 24 cases with ossification of the posterior longitudinal ligament. Results:Ossification of the posterior longitudinal ligament has specific manifestation in X - ray and CT. Ossification of the posterior longitudinal ligament can be divided into four types in X - ray:(1)Continuous type;(2)Discontinuous type;(3)Localized type;(4)Mixed type. The manifestation in CT is el-litse - like type, stripe - like type, hill - like type, marsh - like type and calculated the rate of narrow spinal canal by measure ossification thick.Conclusion;The examination technique of X- ray and CT in diagnosis and differentiate diagnosis of ossification of the posterior longitudinal ligament have an important significance.