Intervertebral bridging ossification after kyphoplasty in a Parkinson’s patient with Kummell’s disease: A case report

Figure 2 X-ray images. A and B: Postoperative X-ray images showed that bone cement filled the cystic cavity of the L2 vertebral body with smooth edges, and there was insufficient bone cement dispersion outside the cystic cavity; C: Fifty days postoperatively, X-ray images showed L2 vertebral body collapse, slight forward bone cement displacement (indicated by the black arrow), L1 vertebral compression fracture, and severe collapse (indicated by the orange arrow).