What pathogens cause Fournier gangrene?

Updated: Jun 03, 2021
  • Author: Vernon M Pais, Jr, MD; Chief Editor: Bradley Fields Schwartz, DO, FACS  more...
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Wound cultures from patients with Fournier gangrene reveal that it is a polymicrobial infection with an average of 4 isolates per case. Escherichia coli is the predominant aerobe, and Bacteroides is the predominant anaerobe.

Other common microflora include the following:

  • Proteus
  • Staphylococcus
  • Enterococcus
  • Streptococcus (aerobic and anaerobic)
  • Pseudomonas
  • Klebsiella
  • Clostridium [26]

Rarely, Candida albicans has been reported as the pathogen in cases of Fournier gangrene. [27, 28, 29]

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