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Related Experiment Video

Updated: Jul 25, 2025

Posterior Approach for Debridement of the Psoas Abscess
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Psoas Abscess Precipitated by an Uncommon Pathogen: Pasteurella multocida.

Scott C Everett1, Andrew L Alejo1, Joseph P Myers2

  • 1College of Medicine, Northeast Ohio Medical University, Rootstown, USA.

Cureus
|June 28, 2023
PubMed
Summary

A rare psoas abscess caused by Pasteurella multocida infection was observed. This case highlights an unusual presentation of P. multocida, typically associated with animal bites, leading to deep tissue infection.

Keywords:
case reportinfectionpasteurella multocidapercutaneous drainagepsoas abscess

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Area of Science:

  • Infectious Diseases
  • Microbiology
  • Medical Case Reports

Background:

  • Psoas abscesses are rare infections involving pus accumulation in the psoas muscle.
  • Common causes include Staphylococcus aureus, E. coli, and other Gram-negative bacteria.
  • Infection typically spreads hematogenously, contiguously, or via trauma.

Observation:

  • Pasteurella multocida, usually from animal bites, can cause infections.
  • This bacterium can colonize human respiratory and GI tracts, leading to spontaneous bacteremia.
  • A case of psoas abscess caused by P. multocida is presented.

Findings:

  • P. multocida is susceptible to common antibiotics like penicillins and cephalosporins.
  • Psoas abscesses generally necessitate surgical drainage and prolonged antibiotic treatment.
  • This report details an uncommon psoas abscess etiology due to P. multocida.

Implications:

  • This case expands the spectrum of P. multocida infections.
  • Highlights the importance of considering P. multocida in deep tissue infections, even without a clear bite history.
  • Suggests the need for vigilance in diagnosing and treating rare bacterial causes of psoas abscess.