Journal of Bone and Joint Infection
Journal of Bone and Joint Infection
JBJI
Articles | Volume 11, issue 1
Articles | Volume 11, issue 1
https://doi.org/10.5194/jbji-11-1-2026
© Author(s) 2026. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/jbji-11-1-2026
© Author(s) 2026. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 11, issue 1
Case report
 | 
07 Jan 2026
Case report |  | 07 Jan 2026

Synovial fluid α-defensin might be false positive in early stages after major total arthroplasty revision surgery

Sankalp Mrutyunjaya, Wade A. Banta, Joseph R. B. Espiritu, and Derek F. Amanatullah

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Short summary
This is a case report which follows a patient who received multiple false positive synovial alpha-defensin test results following a revision for total knee arthroplasty. The report looks at the importance of generalizability in diagnostic testing and how a lack thereof can extend the cost and duration of care.
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