Case ReportsElbow Osteochondral Allograft Transplantation and Lateral Ulnar Collateral Ligament Repair with Internal Brace A Case ReportLee, Steven J. MD; Bedford, Benjamin B. MD; Kim, Andrew H. BS; Rahman, Omar F. MD; Zbeda, Robert M. MDa Author Information Department of Orthopaedic Surgery, Lenox Hill Hospital, New York, NY aE-mail address for R.M. Zbeda: [email protected] Investigation performed at Department of Orthopaedic Surgery, Lenox Hill Hospital, New York, NY Disclosure: The Disclosure of Potential Conflicts of Interest forms are provided with the online version of the article (https://links.lww.com/JBJSCC/B766). JBJS Case Connector: January-March 2022 - Volume 12 - Issue 1 - e21.00615 doi: 10.2106/JBJS.CC.21.00615 Buy Associated Video Metrics Abstract Case: A 23-year-old woman with an Osborne-Cotterill lesion and posterolateral rotatory instability (PLRI) of the elbow was treated with osteochondral allograft transplantation (OCA) and lateral ulnar collateral ligament (LUCL) repair with internal brace. Two years after surgery, she reported resolution of pain and returned to all recreational activities. She reported no mechanical symptoms and no episodes of postoperative instability. Conclusion: PLRI can present with an Osborne-Cotterill lesion in addition to LUCL injury. The purpose of this case report was to describe the use of OCA to manage bony defects in the capitellum in addition to LUCL repair for patients with PLRI. Copyright © 2022 by The Journal of Bone and Joint Surgery, Incorporated