Schonstrom N S, Bolender N F, Spengler D M
Spine (Phila Pa 1976). 1985 Nov;10(9):806-11. doi: 10.1097/00007632-198511000-00005.
This study examines different morphologic measurements in the evaluation of patients with lumbar spinal stenosis. Preoperative CT scans from 24 patients who underwent surgery for central lumbar stenosis were analyzed. No correlation was observed between the size of the bony spinal canal and the size of the dural sac. A new measurement, the transverse area of the dural sac, is introduced. Normal values are provided. Correlation between the cross-sectional area of the dural sac and the anteroposterior diameter of the dural sac was excellent.
本研究在评估腰椎管狭窄症患者时检查了不同的形态学测量指标。分析了24例接受中央型腰椎管狭窄症手术患者的术前CT扫描图像。未观察到骨性椎管大小与硬膜囊大小之间存在相关性。引入了一项新的测量指标——硬膜囊横截面积，并给出了正常值。硬膜囊横截面积与硬膜囊前后径之间的相关性极佳。
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