出口后矢状径 [妇产] posterior sagittal diameter of outlet ; posterior sagittal of outlet
正中矢状径 median sagittal diameter ; MSD
后矢状径 posterior sagittal diameter
中骨盆后矢状径 posterior sagittal diameter of midpelvis
目的确定正中矢状径 median sagittal diameter ; MSD
确定正中矢状径 median sagittal diameter
外侧胫骨平台矢状径 SWLTP
测量每个平面的矢状径 sagittal diameter
前矢状径 anterior sagittal diameter
中矢状直径之比 rmd
X线片测量椎管矢状径、Povlov比值、动态狭窄参数等指标；
The saggital diameter of spinal canal, Povlov ratio and dynamic spinal stenosis parameter were measured on X-ray.
影像学检查：椎管矢状径增加，椎管横截面面积明显扩大，脊髓膨隆良好。
Radiologic Results:sagittal diameter of vertebral canal and trans. sec. area increased and spinal cord were well than preoperative status.
前后径在轴位和正中矢状位上呈现相似的变化趋势。
AP dural sac diameter on axial and midsagittal images showed a similar tendency.
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