Fig. 2

A 33-year-old female demonstrating lesions received one-stage posterior debridement, allogeneic bone interbody fusion, and instrumentation. (a–c) Preoperative images showing TB of L4–L5 with deformity (lordosis angle was 19°) and paravertebral abscess formation. (d–f) Postoperative X-ray demonstrating correction of the deformity (lordosis angle was 29°) and CT findings of allogeneic bone implanted into the vertebral body. (g–h) CT showing satisfactory bone fusion at 24 months. (i–j) X-ray displaying good internal fixation position and solid bone fusion, with the lordosis angle of 27° at the 81 months' follow-up