Safety and Accuracy of 3D Printing Combined with Intraoperative CT-Guided Percutaneous Vertebroplasty (PVP) for Thoracolumbar Osteoporotic Fractures.

The mean cement volume used was slightly higher in the lumbar group (3.6 ± 0.9 mL) compared to the thoracolumbar group (2.8 ± 0.7 mL), a difference that aligned with anatomical expectations but did not reach statistical significance.

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