423 The Efficacy of Platelet-Rich Plasma in Treating Osteochondral Lesions of the Talus: A Comprehensive Review of Clinical and Animal Studies

424 Are We Missing the Mark? Sagittal Malalignment in Nonoperative Adolescent Idiopathic Scoliosis Patients with Moderate Curves

469 Defining Quality of Life and Cost-Effectiveness of Treatment for First Time and Recurrent Patellar Instability: Data from the JUPITER Cohort

487 Technology-Assisted Total Hip Arthroplasty: A Contemporary Analysis of Regional Trends, National Trends, and 90-day Outcomes in a Nationwide Cohort

510 Increased Risk of Fixation Failure with 3.5 versus 4.5 Millimeter Screws for Tibial Tubercle Osteotomy