Based on CT scanning before and after PVP, 90 serial sections with the thickness of 1 mm were obtained and the size of each pixel was 0.33 mm.

• 通过椎体成形手术前后CT 扫描； 分别得到了各 90 张连续切片； 层厚 1 mm； 每个像素的尺寸是 0.；33 mm。