M111-5

BAL: Nocardia species – Shipped May 2011

HISTORY

The challenge was sent to category A labs. Participants were expected to isolate and identify Nocardia species.

The sample was a simulated bronchoalveolar lavage (BAL) obtained from a 50 year old with lymphoma.

MAIN EDUCATIONAL POINTS from M111-5

  1. Although Rhodococcus has some of the same characteristics as Nocardia, the development of pigment, or aerial mycelium, should enable differentiation after continued incubation.

Full critique (PDF)

Posted in Clinical Bacteriology Results, critiques