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Review
. 2022 Feb;77(1):126-129.
doi: 10.1080/17843286.2020.1783908. Epub 2020 Jun 18.

A case of Escherichia coli and Peptoniphilus species mixed osteomyelitis successfully identified by MALDI TOF-MS with a review of the literature

Diana Isabela Costescu Strachinaru  1 , Jean-Luc Gallez  2 , Marie-Sophie Paridaens  3 , Sarah Djebara  1 , Olivier Soete  3 , Patrick Soentjens  1
Affiliations
Review

A case of Escherichia coli and Peptoniphilus species mixed osteomyelitis successfully identified by MALDI TOF-MS with a review of the literature

Diana Isabela Costescu Strachinaru et al. Acta Clin Belg. 2022 Feb.

Abstract

Background: Peptoniphilus species are Gram-positive anaerobic cocci that are commensals of the human vagina and gut.

Methods and results: We describe a case of mixed Escherichia coli and Peptoniphilus spp. osteomyelitis identified using matrix-assisted laser desorption/ionization time-of-flight mass spectrometry as Peptoniphilus harei and present a short literature review.

Conclusion: To our knowledge, only six cases of P. harei osteomyelitis have been reported to date.

Keywords: Anaerobic bacteria; MALDI TOF-MS; Peptoniphilus harei; bone and joint infection; osteomyelitis.

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