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Veillonella Intrapulmonary Abscess With Empyema.

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  • 1Surgery, Ross University School of Medicine, Pontiac, USA.

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A rare lung abscess case involved the anaerobic bacteria Veillonella, typically found in the mouth. This finding expands understanding of lung abscess pathogens beyond common bacteria.

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Area of Science:

  • Pulmonology
  • Infectious Diseases
  • Microbiology

Background:

  • Lung abscesses are typically caused by anaerobic bacteria from oral flora, often polymicrobial.
  • Commonly isolated pathogens include Streptococcus in adults and Staphylococcus aureus in children.

Observation:

  • A 51-year-old female presented with symptoms of shortness of breath and fever, diagnosed with a large right-sided empyema and intrapulmonary abscess.
  • Computed tomography and chest X-ray revealed a significant fluid collection and opacification in the right hemithorax.

Findings:

  • Surgical evacuation yielded purulent material, with anaerobic cultures identifying Peptostreptococcus and Veillonella species.
  • Veillonella, a gram-negative anaerobic coccus, is usually associated with oral infections like periodontitis.

Implications:

  • This case highlights Veillonella as an unusual pathogen in lung abscesses, expanding the spectrum of causative agents.
  • Further research is needed to understand the pathogenesis and clinical significance of Veillonella in pulmonary infections.