Keywords

These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

  • A 74-year-old patient

  • Chronic low back pain

  • Radiculopathy on the right side

  • Exacerbation of pain with lateral flexion on the right side

Fig. 1
figure 1

(a–c) Axial SE T1-weighted images with fat saturation following administration of contrast medium (a–c). Extraforaminal disc protrusion with surrounding contrast enhancement due to peridiscal inflammation (a, arrowhead). Contrast enhancement of the left facet joint space, indicating synovitis (a, arrow). Bone collision between the right transverse process of L4 and ipsilateral iliac wing, with contrast enhancement at the same level indicating reactive-inflammatory phenomena (b, c, circle)

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