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An Osteochondral Allograft in a Patient with Ochronosis

A Case Report

Rocchi, Vanna, DO, LT MC USN1,a; Shapiro, Bennett, MD, LCDR MC USN2; Fraser, M. Robson, MD3

doi: 10.2106/JBJS.CC.18.00038
Case Reports

Case: When a 31-year-old man with no prior medical history underwent diagnostic arthroscopy for posttraumatic knee pain, ochronotic arthropathy was identified. Subsequent blood tests led to the diagnosis of alkaptonuria. After a discussion regarding his future military career and prognosis, he elected to proceed with osteochondral allograft transplantation surgery (OATS). He was able to return to active-duty service with minimal knee pain. At the 32-month postoperative visit, he had functional, pain-free motion and an excellent Hospital for Special Surgery (HSS) knee score.

Conclusion: Alkaptonuria is an uncommon metabolic disorder that causes arthropathy of peripheral joints. When there is a focal defect, an osteochondral allograft is a valid, joint-preserving option that allows return to activity.

1Department of Orthopaedic Surgery, Naval Medical Center San Diego, San Diego, California

2Naval Hospital Guam, Hagåtña, Guam

3Rebound Orthopedics & Neurosurgery, Vancouver, Washington

aE-mail address for V. Rocchi:

Written work prepared by employees of the Federal Government as part of their official duties is, under the United States Copyright Act, a ‘work of the United States Government’ for which copyright protection under that Act is not available. As such, copyright protection does not extend to the contributions of employees of the Federal Government prepared as part of their employment.
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