结论CT值测量对鉴别腰椎间盘突出症术后早期椎管内软组织影的性质具有应用价值及临床意义。
Conclusion CT value measurement is valuable to distinguish the nature of the soft tissue in vertebral canal in clinical use.
以测量的受伤椎管的有效面积与正常椎管面积的比率来反映椎管的狭窄度。
The constriction degree of vertebral canal was reflected by the ratio of utility area and normal vertebral canal area of measured injured vertebral canal.
方法选择5 0名因外伤行CT检查无任何阳性发现的病例作为正常组，测量其腰椎管斜径以得出正常值。
Methods 50 patients examined with CT for wounded and without any positive findings were selected as healthy group, the oblique diameters of lumbar spine were measured.
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