Pedicle Screw Positioning With MySpine vs Free Hand Technique

Inclusion Criteria: * Patients older than 12 years * patients suffering from coronal or sagittal spinal deformities that will undergo a surgical treatment with a posterior approach and pedicle screws placement * Patients suitable to undergo spinal stabilization (according to the label indication/contraindications) * Patients who are willing and able to provide written informed consent for participation in the study. Written informed consent must be obtained when indication to surgery is confirmed. Exclusion Criteria: * Patient with congenital spinal deformity (emeverebre, vertebra wedge, vertebrate butterfly, congenital bar, vertebra block) * Patients with a previous fusion of the spine in the region where screws will be inserted * Patients with any allergy to the device implanted * Patients who will be not able to provide their written consent to the study participation * Patients who are incapable of understanding and wanting