Instrumented POsterolateral Arthrodesis for Adolescent Idiopathic Scoliosis

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