MR fat quantification comparison on adjacent structures of lumbar endplate Modic change
Objective To compare fat quantification in adjacent structures of lumbar endplate Modic change.Methods The L5-S1 intervertebral disc with the highest incidence of Modic was taken as the research object,55 patients with endplate Modic change were collected,and the FACT sequence scan was added after the routine lumbar MRI scan;The area-weighted value of fat fraction in the upper vertebral body(SFFaw),the area-weighted value of fat ratio in the lower vertebral body(IF-Faw),the area-weighted value of fat fraction in the adjacent bilateral psoas major muscle and multifidus(FFaw),the T2 signal SI value of the nucleus pulposus and the Pfirrmann score were measured;The differences in SFFaw,IFFaw,FFaw of psoas ma-jor muscle and multifidus,and Pfirrmann score of each Modic of L5-S1 intervertebral disc were compared;The correlations be-tween SFFaw,IFFaw,FFaw of psoas major muscle and multifidus of Modic1 and 2 of L5-S1 intervertebral disc and the T2 signal SI value of the nucleus pulposus were analyzed;The correlations between SFFaw,IFFaw,FFaw of psoas major muscle and mul-tifidus of all endplate Modic change of L5-S1 intervertebral disc and the Pfirrmann score were analyzed.Results There were sta-tistically significant differences in SFFaw,IFFaw,FFaw of multifidus,FFaw of psoas major,T2 signal SI value of nucleus pul-posus,and Pfirrmann score among Modic 1,Modic 2,and Modic 3 of L5-S1 intervertebral disc(P＜0.05).The values of SF-Faw,IFFaw,FFaw of multifidus,and FFaw of psoas major in Modic 1 and Modic 2 of L5-S1 intervertebral disc were negatively correlated with the T2 signal SI value of the nucleus pulposus(P＜0.05),which was statistically significant.The SFFaw,IF-Faw,FFaw of psoas major,and FFaw of multifidus of all endplate Modic change of L5-S1 intervertebral disc were positively cor-related with the Pfirrmann score of the intervertebral disc(P＜O.05).Conclusion There are differences in the fat content of ad-jacent structures of each endplate Modic change of L5-S1 intervertebral disc,and there is certain correlation with the degeneration of the intervertebral disc.
万方数据
维普
