磁共振测量矢状位及轴位参数在退变性腰椎不稳中的临床价值及相关性分析

doi:10.12117/jccmi.2020.06.014

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Abstract Objective: To investigate the clinical value and correlation analysis of sagittal and axial parameters measured by MRI in patients with degenerative lumbar instability. Methods: MRI imaging data of 170 patients with degenerative lumbar instability and 170 normal volunteers were analyzed retrospectively, no significant differences were found in the gender, age and lesion segment between the two groups. Lumbosacral angle was measured on sagittal T2WI, while ligamentum flavum thickness, the distance of facet joint fluid and the degree of degeneration of the intervertebral disc and the facet joint were evaluated on axial T2WI, and then were compared between the two groups. Results: In degenerative lumbar instability group, lumbosacral angle and the distance of facet joint fluid was (47.92±11.11)°, 1.51(0.95, 1.93) mm respectively, and the differences between the two groups were statistically significant(all P＜0.01). Between the two groups, the degree of degeneration of the intervertebral disc and the facet joint showed significant differences(Z=-4.749, Z=-11.407, P＜0.01). In degenerative lumbar instability group, the ligamentum flavum thickness was (2.20±1.01) mm, and the differences between the two groups was not statistically significant(P＞0.05). Degenerative lumbar instability was positively correlated with lumbosacral angle and the distance of facet joint fluid and the degree of degeneration of the intervertebral disc(r=0.180, P＝0.011; r=0.317, P＜0.01; r=0.258, P＜0.01), degenerative lumbar instability was negatively correlated with the degree of degeneration of the facet joint(r=-0.619, P＜0.01). Conclusion: There were kinds of parameters which had correlation in degenerative lumbar instability; degenerative lumbar instability was moderately correlated with the distance of facet joint fluid, while degenerative lumbar instability was weakly correlated with lumbosacral angle and the degree of degeneration of the intervertebral disc. There was a significant negative correlation with the degree of degeneration of the facet joint.

Key words： Lumbar vertebrae Magnetic resonance imaging

Received: 26 October 2019

PACS:	Ｒ681.57
	Ｒ445.2

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	LIANG Yi-dan1
	LI Le-yi2
	PAN Shi-nong1

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LIANG Yi-dan1,LI Le-yi2,PAN Shi-nong1. Clinical value and correlation analysis of sagittal and axial parameters measured by MRI in degenerative lumbar instability[J]. JOURNAL OF CHINA MEDICAL IMAGING, 2020, 31(6): 434-437.

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http://www.jccmi.com.cn/EN/10.12117/jccmi.2020.06.014 OR http://www.jccmi.com.cn/EN/Y2020/V31/I6/434

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