Fig. 4.

A 75-year-old patient with pyogenic spondylodiscitis at L3/L4. S. aureus had been identified by blood cultures 10 days earlier and IV antibiotic therapy was started soon afterwards. After 10 days of IV therapy, the patient was still complaining of significant pain with incomplete improvement of the inflammatory markers (CPR 135 mg/L). (Left panel) MRI sagittal view of the involved disc space; (middle panel) axial view at the level of the L3/L4 disc space and the L4 vertebral body showing a significant disc abscess and bilateral psoas abscesses. (Right panel) standing X-ray of the lumbar spine showing resolution of the infection and fusion of the involved segment 8 months after the end of treatment