Histological Validation of dGEMRIC Indices as a Quantitative Biomarker for Cartilage Damage in the Hip Joint

Inclusion Criteria: * Patients with advanced hip osteoarthritis. * Preoperative hip MRI including biochemical sequence (MP2RAGE). * Indication for hip replacement. Exclusion Criteria: * Patients without informed consent. * Age under 18 years. * Insufficient language understanding in German, French, or English. * Previous hip surgeries. * Neoplastic and inflammatory comorbidities of the hip. * Post-traumatic or pediatric deformities. * Avascular necrosis of the femoral head. * Inadequate MRI image quality (motion artifacts, extra-articular contrast media administration, delay (\>45 minutes) between contrast injection and MRI imaging).