GS212-1

Gram – Joint fluid: 3+ (6-10/oif) neutrophils –3+ (11-50/oif) gram-negative diplococci (Neisseria gonorrhoeae) – Shipped August 09, 2021

HISTORY

A simulated joint fluid sample collected from a 31-year-old male with a swollen right knee was sent to category A and C1 laboratories. Participants were expected to report the presence of neutrophils and gram negative diplococci

MAIN EDUCATIONAL POINTS from GS212-1

  1. N. gonorrhoeae are gram negative diplococci that are typically coffee-bean or kidney-bean shaped with a small central clearing.
  2. Disseminated gonococcal infection is a common cause of acute polyarthralgias, polyarthritis, or oligoarthritis in young (<40 years of age), otherwise healthy patients.

Full critique (PDF)

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