EP1.40 Defining the Spectrum of Acetabular Dysplasia: A 3D Clockface Classification System in a Large Periacetabular Osteotomy Cohort
Abstract Introduction Traditional classification of acetabular dysplasia in mature hips relies on plain radiographs and the lateral center edge angle (LCEA), which fail to capture the full complexity of the femoral head-acetabulum relationship. While CT-based measurements and early 3D analyses have improved morphologic...