Schräder P, Grob D, Rahn B A
Schulthess-Klinik Zürich und AO-Zentrum (Laboratorium für experimentelle Chirurgie), Davos-Platz.
Orthopade. 1993 Aug;22(4):223-6.
In 21 patients with spinal stenosis the ligamentum flavum was removed, histologically processed and the calcification was measured with an image analyzing computer. Nearly all the ligaments were calcified: on average 0.17%, with a maximum of 3.8%. There was a significant correlation between age and calcification. We compared these findings with those of a group of "normals". There we only found minimal calcification in 3 of 20 segments (0.025%, 0.049%, 0.22%). As these people were on average 85 years of age, this can be looked upon as normal degenerative changes. This illustrates the important role of calcification of the ligamentum flavum for spinal stenosis.
对21例椎管狭窄患者的黄韧带进行切除、组织学处理，并使用图像分析计算机测量钙化情况。几乎所有韧带均有钙化：平均钙化率为0.17%，最高为3.8%。年龄与钙化之间存在显著相关性。我们将这些结果与一组“正常”人群的结果进行了比较。在那组“正常”人群中，20个节段中仅有3个节段发现了微量钙化（0.025%、0.049%、0.22%）。由于这些人的平均年龄为85岁，这可被视为正常的退行性改变。这说明了黄韧带钙化在椎管狭窄中所起的重要作用。
