390 Cell Count and Differential of Aspirated Fluid in the Diagnosis of Periprosthetic Joint Infection of Total Elbow Arthroplasty

e458 Distal Triceps Tendon Tears: MRI Classification based on Insertional Anatomy

e530 Development of an Artificial Intelligence Approach to Automatically Identify Reverse Shoulder Arthroplasty Implant Designs on Postoperative Radiographs

e545 The O'Driscoll Classification of Coronoid Fractures: Intra and Interobserver Agreement and Clarification