Inclusion Criteria:  Patient between 12 and 20 years old Scoliosis in adolescents for whom surgery has been proposed based on radiological criteria (Cobb angle> 25 ° for thoracolumbar and lumbar scoliosis,> 35 ° for thoracic scoliosis and> 40 ° for double major scoliosis) Patient affiliated or beneficiary of a social security scheme or attached to a beneficiary of a social security scheme Patient and legal representative having been informed and not opposing this research  Exclusion Criteria:  Patient over 20 years old Non-surgical scoliosis Refusal to participate in the study by the child or parents