European spine journal : official publication of the European Spine Society, the European Spinal Deformity Society, and the European Section of the Cervical Spine Research Society · 2018
Endplate lesions in the lumbar spine: a novel MRI-based classification scheme and epidemiology in low back pain patients.
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Brayda-Bruno Marco, Albano Domenico, Cannella Guglielmo, Galbusera Fabio, Zerbi Alberto
Аннотация
PURPOSE: The aims of the study were to introduce a classification scheme for endplate lesions based on T2-weighted magnetic resonance imaging and to detect possible associations between endplate lesions and other variables such as age, sex, disc degeneration and Modic changes in a large population.
METHODS: MRI images of 996 low back pain patients were collected. All intervertebral spaces were classified as "normal", "wavy/irregular", "notched", "Schmorl's node" and "fracture". The associations between endplate lesions and age, sex, disc degeneration and Modic changes were determined in the considered population.
RESULTS: The most common endplate lesions were "notched" and "Schmorl's nodes". The prevalence was higher among the male subjects. In most patients (62.8%), no endplate lesions were detected, with a significant difference between male (57.5%) and female subjects (67.9%) (p < 0.001). Lesions were found to be associated with intervertebral disc degeneration (relative risk 2.49) and signal alterations (relative risk 3.08). Fleiss kappas of 0.73 and 0.89 were, respectively, assessed for the inter- and intra-observer reliabilities of the new classification system.
CONCLUSIONS: Endplate lesions were detected, classified with a novel scheme and analysed in a large population of patients suffering from low back pain based on MRI images. The reliability of the novel classification system was demonstrated. These slides can be retrieved under Electronic Supplementary Material.
METHODS: MRI images of 996 low back pain patients were collected. All intervertebral spaces were classified as "normal", "wavy/irregular", "notched", "Schmorl's node" and "fracture". The associations between endplate lesions and age, sex, disc degeneration and Modic changes were determined in the considered population.
RESULTS: The most common endplate lesions were "notched" and "Schmorl's nodes". The prevalence was higher among the male subjects. In most patients (62.8%), no endplate lesions were detected, with a significant difference between male (57.5%) and female subjects (67.9%) (p < 0.001). Lesions were found to be associated with intervertebral disc degeneration (relative risk 2.49) and signal alterations (relative risk 3.08). Fleiss kappas of 0.73 and 0.89 were, respectively, assessed for the inter- and intra-observer reliabilities of the new classification system.
CONCLUSIONS: Endplate lesions were detected, classified with a novel scheme and analysed in a large population of patients suffering from low back pain based on MRI images. The reliability of the novel classification system was demonstrated. These slides can be retrieved under Electronic Supplementary Material.