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[Isolated hemorrhagic pleurisy due to Panton-Valentine leukocidin-positive Staphylococcus aureus]

Z El Ouafi1, E-M Le Coustumier1, A-L Fauchais1

  • 1Service de médecine interne, CHU Limoges, 2, avenue Martin-Luther-King, 87042 Limoges cedex, France.

Revue Des Maladies Respiratoires
|February 2, 2019
PubMed

Insights

Panton-Valentine leucocidin (SA-PVL) from Staphylococcus aureus can cause severe pneumonia. This report details a rare case of isolated hemorrhagic pleurisy caused by SA-PVL without lung tissue damage.

Area of Science:

  • Infectious Diseases
  • Microbiology
  • Pulmonology

Background:

  • Panton-Valentine leucocidin (SA-PVL) is a key virulence factor in certain Staphylococcus aureus strains.
  • SA-PVL is typically associated with severe invasive infections, most notably necrotizing pneumonia.

Observation:

  • Pleural effusion is a known complication of SA-PVL infections, but usually accompanies lung parenchymal lesions.
  • This case presents a unique instance of hemorrhagic pleurisy linked to SA-PVL.

Findings:

  • The study reports a rare case of hemorrhagic pleurisy caused solely by SA-PVL.
  • This finding suggests SA-PVL can induce pleural inflammation independently of direct lung tissue destruction.

Implications:

  • This case expands the spectrum of clinical presentations associated with SA-PVL infections.
  • It highlights the importance of considering SA-PVL in the differential diagnosis of unexplained hemorrhagic pleurisy, even without obvious pneumonia.
Keywords:
Haemorrhagic pleurisyLeucocidine de Panton-ValentinePanton-Valentine leukocidinPleurésie hémorragiqueStaphylococcus aureus

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