Psoas abscess due to Pasteurella multocida

A Ruiz de la Hermosa1, I Amunategui-Prats, E Hurtado-Caballero

  • 1Cirugía General y del Aparato Digestivo, Cirugía General I. Hospital General Universitario Gregorio Marañón, Madrid, Spain. aliciaruiz9@hotmail.com

Insights

Psoas abscess, a rare pus collection, can be challenging to diagnose due to vague symptoms. This case highlights a secondary psoas abscess caused by Pasteurella multocida, emphasizing the need for accurate identification and treatment.

Area of Science:

  • Infectious Diseases
  • Medical Microbiology

Background:

  • Psoas abscess is an uncommon intra-muscular pus collection, often diagnosed late due to non-specific symptoms.
  • Staphylococcus aureus is the most frequent pathogen, but other organisms can be involved.

Observation:

  • A case of secondary psoas abscess in an elderly female presenting with fever, right groin pain, and malaise is described.
  • Diagnostic workup included laboratory, radiological, and microbiological analyses.

Findings:

  • The patient was diagnosed with a psoas abscess caused by Pasteurella multocida, a Gram-negative bacterium.
  • Pasteurella multocida, typically found in animal oral flora, rarely causes psoas abscesses.

Implications:

  • The insidious presentation of psoas abscess necessitates a high index of suspicion for timely diagnosis.
  • Bacteriological confirmation is crucial for selecting appropriate antibiotic therapy, with percutaneous drainage as the preferred treatment.

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