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A peripherally enhancing lesion dorsal to the theca is located at the L2/3 level. Centrally it is of intermediate T1 and intermediate to high T2 signal similar to the nucleus of discs. Enhancement is peripheral and somewhat ill-defined. Diffusion is similar to disc nucleus. Importantly the L2/3 disc has lost a little height and has an annular fissure on the right. In contrast, the right facet joint adjacent to the lesion appears normal.
Features are consistent with a dorsal sequestrated disc fragment.