Joint, bone, spine : revue du rhumatisme
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The purpose of this study was to determine the intra- and interobserver reliability of a modified Modic classification for bone marrow changes seen on lumbar spine magnetic resonance imaging (MRI), taking into consideration mixed signals. ⋯ This study shows that the modified Modic classification is reliable and easy to apply for observers with different clinical experience. The inclusion of mixed marrow changes in the modified classification may have clinical and therapeutic implications.