Periacetabular Osteotomy With and Without Arthroscopic Management of Central Compartment Pathology

Inclusion Criteria: * Skeletally mature patient undergoing Bernese periacetabular osteotomy for symptomatic acetabular dysplasia/hip instability * Pre-Operative MRI at 3T and/or gadolinium MR arthrogram * Age, 16-50 years old * Patient capable of giving informed consent Exclusion Criteria: * Prior hip/pelvis surgery of any kind on the surgical side * Prior hip arthroplasty surgery on either side * Radiographic evidence of arthritis (i.e. Tönnis grade =2) * Known connective tissue disorder (e.g. Ehlers-Danlos Syndrome, etc.) * Known neuromuscular disorder (e.g. Cerebral Palsy, Spina bifida, etc.) * Known skeletal dysplasia (e.g. Achondroplasia, Multiple Epiphyseal Dysplasia, etc.) * Cognitive impairment that prevents accurate completion of patient-reported outcome questionnaires. * Patient unable/unwilling to complete all required follow-up visits * Concurrent proximal femoral osteotomy and/or surgical hip dislocation