Which histologic findings are characteristic of tenosynovitis?

Updated: Nov 22, 2019
  • Author: Mark R Foster, MD, PhD, FACS; Chief Editor: Harris Gellman, MD  more...
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Histopathologic examination of synovial biopsy specimens is helpful in diagnosing granulomatous changes observed in Mycobacterium infections and in cases of chronic processes.

Synovial biopsy may reveal acute or chronic inflammatory changes. Gram stains may reveal bacteria. A higher index of suspicion should be present for chronic infections or atypical presentations. These histologic findings help to confirm a diagnosis of inflammatory arthropathy. [25]

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