• Permsak Paholpak, Emin Dedeogullari, Christopher Lee, Koji Tamai, Kaku Barkoh, Kittipong Sessumpun, Jeffrey C Wang, and Zorica Buser.
• Department of Orthopaedic Surgery, Keck School of Medicine, University of Southern California, Los Angeles, United States; Department of Orthopaedics, Faculty of Medicine, Khon Kaen University, Khon Kaen, Thailand.
• Eur J Radiol. 2018 Jan 1; 98: 193-199.

AbstractThe objective of the study is to identified the correlation between Modic changes (MCs), disc degeneration, motions (translation and angulation) and facet osteoarthritis in lumbar spine. 425 patients who underwent multi-positional lumbar MRI were reviewed. A total of 2250 lumbar spinal segments in neutral position were evaluated for MCs, disc degeneration grading, translation and angulation motion, and facet osteoarthritis. The chi-square test, Kruskal-Wallis, Mann-Whitney U test, Pearson's correlation and linear regression were used to test for statistically significant difference between parameters. MCs type 2 showed the most translational motion. The presence of MCs was significantly correlated with advanced disc degeneration (grade 4-5, Odds ratio 6.29, 95% CI 4.48-8.83) and the presence of facet osteoarthritis (Odds ratio 9.50, 95% CI 6.18-14.62). The presence of facet osteoarthritis had significantly more translation motion than non-osteoarthritis facet (p=0.04). The facet osteoarthritis grade was positively correlated with disc degeneration grade (r=0.309, p-value<0.001). The facet osteoarthritis correlated with the presence of MCs and more translation motion. The severity of facet osteoarthritis was correlated with the advanced disc degeneration. The MCs, translation motion, and disc degeneration were the significant parameters which affected lumbar facet osteoarthritis.Copyright © 2017 Elsevier B.V. All rights reserved.

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