Les pédicules de C2 sont-ils toujours vissables ? Calibration et planification selon l'angle pédiculo-lamaire

C2 pedicle screwing feasibility is inconstant due to anatomical variability. In fact, 13% of patients have at least one non-screwable pedicle. Preoperative planning is essential to achieve this procedure. A pedicle-lamina angle can be used which remains independent from the patient's position.