Fig. 2

Hematogenous Pyogenic Spondylodiscitis of L4-5 due to methicillin-resistant Staphylococcus aureus infections (a). Narrowing disc space with endplate erosion with pigtail catheter placement for drainage of paravertebral abscess was noticed on L4-5 level; b Abscess formation was found in ventral epidural space, bilateral psoas and back muscles; c Supplementary posterior spinal instrumentation was performed 6 weeks after anterior debridement and a tricortical iliac strut bone graft for intervertebral fusion; d and e Solid bone fusion on L4-5 was noticed at the 1-year follow-up