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Rare disease
CASE REPORT
Septic arthritis of knee joint due to Parvimonas micra
  1. Moni Roy1,
  2. Ashish Kumar Roy1,
  3. Sharjeel Ahmad2
  1. 1Internal Medicine, OSF Saint Francis Medical Center, Peoria, Illinois, USA
  2. 2Internal Medicine, Section of Infectious Diseases, University of Illinois College of Medicine at Peoria, Peoria, Illinois, USA
  1. Correspondence to Dr Moni Roy, moniroy27{at}gmail.com

Summary

Parvimonas species are anaerobic, Gram-positive cocci that are a constituent of normal oral and gastrointestinal flora. We present a case of right knee joint septic arthritis due to Parvimonas micra in an immunocompromised patient. A 61-year-old male renal and pancreatic transplant recipient on immunosuppressive therapy was admitted to our hospital due to intense pain, joint swelling and inability to move his right knee over the past 9 months. After synovial fluid was drawn, cultures were positive for P. micra, an anaerobic pathogen that is part of the flora of the oral cavity. We report a rare causative pathogen for septic arthritis in an immunocompromised patient.

  • bone and joint infections
  • orthopaedics

https://doi.org/10.1136/bcr-2017-221926

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    Footnotes

    • Contributors MR wrote the initial manuscript. AKR and SA conducted the literature review, edited the paper and performed paper designing. MR and AKR contributed to data collection. SA revised the manuscript. All authors read and approved the final manuscript.

    • Competing interests None declared.

    • Patient consent Obtained.

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