Neuroradiological Assessment of the Thickness of the Yellow Ligament in Degenerative Lumbar Canal Stenosis

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In this study, we express numerically the thickness of the yellow ligament at the level of L3/4, L4/5 and L5/S1 in degenerative lumbar canal stenosis caused by thickened yellow ligament. The thickness of the yellow ligament in patients with degenerative lumbar canal stenosis (stenosis group) and age-matched lumbar disc herniation patients (hernia group; as a control) were measured on CT myelography. In the stenosis group, the mean thickness of the yellow ligament were 4.2±1.5mm (L3/4), 5.3±1.9mm (L4/5) and 5.6±2.2mm (L5/S1). In the hernia group, the mean thickness of the yellow ligament were 3.0±2.0mm (L3/4) and 3.8±2.4mm (L4/5) and 4.8±2.7mm (L5/S1). Statistically differences were observed between the stenosis group and the hernia group in all three levels (p<0.05).
日本脊髄外科学会の論文
2006-09-30