Turk J Med Sci. 2014;44(2):237-42. doi: 10.3906/sag-1208-45.
To carry out comparison and correlation analyses of the intervertebral disc (IVD) and vertebral body (VB) volumes in magnetic resonance (MR) images of patients with degenerated and nondegenerated lumbar discs.
MR images were examined retrospectively in 93 patients. Lumbar VB and IVD volumes in T1-T2 weighted sagittal MR images were calculated via the Cavalieri method, a stereological method. Volumetric changes in degenerated and nondegenerated discs were compared.
The percentages of degenerated IVDs were 12.9%, 12.9%, 28%, 50.5%, and 52% in discs from levels L1 to L5, respectively. There were no differences in VB volumes between the degenerated and nondegenerated groups for all lumbar vertebra levels. However, significant volumetric decreases were observed in degenerated IVDs for all lumbar vertebra levels, as compared to nondegenerated IVDs. Comparisons of VB volume and IVD volume ratios also revealed decreases, but they were significant only for levels L1 and L4.
Disc volumes were found to be decreased, although vertebral bodies were not affected in degenerated IVD groups. However, using VB and IVD volume ratios may not always yield reliable results.
对退变和非退变腰椎间盘的磁共振（MR）图像中的椎间盘（IVD）和椎体（VB）体积进行比较和相关分析。
回顾性检查了 93 例患者的 MR 图像。通过体视学法（一种立体学方法）计算 T1-T2 加权矢状 MR 图像中腰椎 VB 和 IVD 的体积。比较退变和非退变椎间盘的体积变化。
在 L1 到 L5 节段的椎间盘分别为 12.9%、12.9%、28%、50.5%和 52%的椎间盘存在退变。所有腰椎水平的 VB 体积在退变组和非退变组之间无差异。然而，与非退变的 IVD 相比，所有腰椎水平的退变 IVD 的体积均明显减小。比较 VB 体积和 IVD 体积比也显示出减小，但仅在 L1 和 L4 水平具有统计学意义。
尽管退变的 IVD 组中的椎体不受影响，但发现椎间盘体积减小。但是，使用 VB 和 IVD 体积比并不总是能得出可靠的结果。
