根据影像特点将椎板断裂形态分为纵向型、横向型、“S”型、“7”字型与反“7”字型及断裂移位型5型。
On the basis of imaging characteristics the fracture of lamina of vertebral arch was divided into 5 types: vertical, transversal, "7" -graphemic or reverse "7" -graphemic, "s" and displaced.
结果：螺旋CT三维影像能立休、精确、多方位地显示骨折的部位、范围、移位及旋转等情况。
Result: the three-dimensional image can show the position, range, shift and rotation of the fracture, exactly and angularly.
结论：半月板径向移位与年龄、骨性关节炎影像学表现等有明显相关性。
Conclusion: it concluded that radial displacement of meniscus had close connection with age and radiographic signs of osteoarthritis.
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