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T2-weighted (A) and proton density (B) sagittal MR images of the patient’s lower lumbar spine showing a contained intervertebral disc herniation at L5-S1. Mild-to-moderate disc dessication is also evident at both the L4–5 and L5-S1 levels. (C) T2-weighted coronal spot view of L5-S1 revealing a right paracentral disc protrusion, resulting in both displacement of the right S1 nerve root and intervertebral foraminal encroachment at L5-S1 on the right (arrows).
