How is tenosynovitis diagnosed?

Updated: Aug 27, 2018
  • Author: Mark R Foster, MD, PhD, FACS; Chief Editor: Harris Gellman, MD  more...
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If infection is suggested, culture of the suppurative synovial fluid is mandatory prior to beginning definitive antimicrobial treatment. These cultures should include the following samples:

  • Aerobic
  • Anaerobic
  • Fungal
  • Acid-fast bacilli (AFB)
  • Atypical AFB

Diagnostic arthrocentesis is indicated if joint effusion is present with tenosynovitis, because most patients with disseminated gonococcal infection have coexistent septic arthritis.

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