All patients were examined with a SOMATOM Sensation 16-slice CT scanner (Siemens) using the following parameters:120 kV,100 mAs,0.75 mm collimation,1 mm reconstruction slice thickness and increment,a pitch factor of 1,and a FOV of 100?mm.

 
  • 扫描参数为:120kV;100mAs;0.;75mm准直器宽度;螺距为1;重建层厚1mm;高分辨骨算法重建。
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