Fig. 4.

A 43-year-old farmer presented with chronic persistent back pain, progressive weakness of his lower limbs and inability to walk unsupported due to L4-5 TB spondylodiscitis. a Lateral X-ray shows reduction of L4-5 disc height with endplate rarefaction and erosion. b Sagittal MRI shows L4-5 spondylodiscitis with large prevertebral and epidural abscesses. c Post-operative lateral X-ray following a first stage anterior retroperitoneal debridement and tricortical iliac crest graft show significant reduction of the local kyphosis from 15° to (−10°). d, e Two-month follow-up AP and lateral X-rays following second stage posterior stabilization and fusion. f One-year follow-up lateral X-ray. g Five-year follow-up lateral X-ray with bone remodeling 5° loss of correction