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Case report
Rare case of Prevotella pleuritidis lung abscess
  1. Abuzar Ali Asif1,
  2. Moni Roy1,2 and
  3. Sharjeel Ahmad3
  1. 1Internal Medicine, University of Illinois College of Medicine at Peoria, Peoria, Illinois, USA
  2. 2Internal Medicine, OSF Saint Francis Medical Center, Peoria, Illinois, USA
  3. 3Internal Medicine, Section of Infectious Diseases, University of Illinois College of Medicine at Peoria, Peoria, Illinois, USA
  1. Correspondence to Dr Moni Roy; moniroy27{at}


Prevotella genus comprises of obligate anaerobic, gram-negative bacteria that are commensal organisms of oral cavity, gut and vaginal mucosa. Although many Prevotella species have well-established pathogenicity with respect to pulmonary infections, rarely has Prevotella pleuritidis been isolated as a cause of lung abscess. We present a rare case of left lower lobe lung abscess due to P. pleuritidis identified using next-generation sequencing of microbial cell-free DNA testing. A brief review of the literature regarding Prevotella species pulmonary infections, use of next-generation cell-free DNA testing early in the evaluation, antibiotic susceptibility and resistance is also a part of this report.

  • pneumonia (infectious disease)
  • pneumonia (respiratory medicine)

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  • Contributors AAA wrote the initial manuscript. MR performed initial edit and SA performed the final edit. All authors performed data designing, data collection, image designing and reviewed the final manuscript.

  • Funding The authors have not declared a specific grant for this research from any funding agency in the public, commercial or not-for-profit sectors.

  • Competing interests None declared.

  • Patient consent for publication Obtained.

  • Provenance and peer review Not commissioned; externally peer reviewed.