This study aims to study children with Early Onset Scoliosis who undergo implantations of a magnetic growing rod, to see if any differences that exist between lengthening the rod every 6 weeks or 4 months.

Spondylolysis and spondlyolisthesis are rare conditions in children and adolescents. The long term outcomes of treating these patients are unknown. The purpose of this study is understand the symptom relief and quality of life of this patient population.