Fig. 3

Special operation of the PKCPP surgery, postoperative lateral radiographs, and CT scans. a Making the two working cannulas un-overlapped by slightly adjusting C-arm’s position (blue arrow); b injecting the bone cement of the anterior two-thirds of vertebral body; c–g the procedure of pediculoplasty shows that the cement distribution is columnar shape; h–i intraoperative standard anteroposterior and lateral radiographs show the augmented vertebral body. j–l Postoperative lateral radiographs and CT scans show that the distribution of bone cement is like two pedicle screws bridging the cement-augmented vertebral body