M134-2

Midstream urine: >100 x 10^6 cfu/L Corynebacterium urealyticum  – Shipped February 2014

HISTORY

The challenge was sent to category A and B laboratories. The sample simulated midstream urine obtained from an 88 year old male patient with urinary tract infection (UTI) symptoms.

Laboratories were expected to isolate, identify and report C. urealyticum as well as report the susceptibility results to penicillin, gentamicin, and vancomycin.

MAIN EDUCATIONAL POINTS from M134-2

  1. Corynebacterium urealyticum has been strongly associated with urinary tract infections and should be identified and reported when found to be pure or predominant growth in significant amounts.

Full critique (PDF)

Posted in Clinical Bacteriology Results, critiques