Objective: To evaluate the accuracy of cervical pedicle screw pilot holes placement by bilateral oblique X-ray films with the spiral wires as the guide pin.
目的：探讨螺旋形导针配合双侧斜位X线片判断颈椎椎弓根螺钉置入孔道准确性的可行性。
Methods X-ray posteroanterior, lateral, double-oblique and dynamic lateral overflexional and overextensive views were performed on 21 patients.
方法对下颈椎不稳症21例均采用正侧双斜位及摄X线动态颈椎侧位过曲过伸片。
Methods To analyse X-ray images of lumbar vertebrae positive side and left-right oblique position plain films and CT images (only 24 cases) of 82 patients.
方法对82例椎弓完整性腰椎滑脱症的正侧位、双斜位X线平片及CT图像(24例加作CT扫描)进行分析。
X-ray diagnosis of Juvenile Cervical Spondylosis has an important value, and anteroposterior, lateral and oblique X-ray plain films cannot be neglected.
线平片对青年型颈椎病的诊断有重要价值，正位、侧位及斜位均很重要。
The numerical evaluation shows that the formula is accurate and reliable. The result is referential to radar target identification with oblique incident ray. The method can be eas...
结果对掠入射时的雷达目标识别具有参考意义，该方法可以推广到计算任意边缘形状平板的散射矩阵。
The numerical evaluation shows that the formula is accurate and reliable. The result is referential to radar target identification with oblique incident ray. The method can be eas...
结果对掠入射时的雷达目标识别具有参考意义，该方法可以推广到计算任意边缘形状平板的散射矩阵。
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