Fig. 2From: The fusion rate of demineralized bone matrix compared with autogenous iliac bone graft for long multi-segment posterolateral spinal fusionRadiographs from left to right showed the immediately, 3, 6, and 12 months postoperatively. The immediately postoperative image showed bone graft materials (tricalcium phosphate granules, laminectomy bone chips and DBM) at the intertransverse space. The subsequent images showed absorption of the bone graft materials and unsuccessful fusion mass formationBack to article page