Sternoclavicular joint replacement case report.

Introduction: This report describes the first known sternoclavicular joint (SCJ) replacement with a custom-made prosthesis.

History: A 42-year-old male who presented post left medial clavicular excision with significant pain and limited range of motion impeding his daily activities and ability to work. The patient subsequently underwent a left SCJ arthroplasty with a custom-made prosthesis.