Acute Mono-Arthritis of the Knee: A Case Report of Infection with Parvimonas Micra and Concomitant Pseudogout

Journal of Bone and Joint Infection
Martijn DietvorstL Paul A Bom

Abstract

Parvimonas micra is a rare pathogen for septic arthritis and is known for its subacute onset. We report a case of acute arthritis of the knee caused by P. micra and pseudogout. Initially, calcium pyrophosphate crystals were found in the knee, which were successfully treated with a steroid injection. Only anaerobic cultures became positive. A 16S rRNA PCR-analysis was necessary to identify P. micra as causative agent, a method which is never described before in similar cases. The infection was treated with clindamycin for 6 weeks. This is the third case report of a septic arthritis caused by P. micra and the second which also reports concomitant pseudogout.

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Citations

Nov 17, 2017·BMJ Case Reports·Moni RoySharjeel Ahmad
Feb 23, 2018·Journal of Clinical Rheumatology : Practical Reports on Rheumatic & Musculoskeletal Diseases·Elvira BangertTanveer E Towheed
Mar 2, 2019·Journal of Medical Case Reports·Toyomitsu SawaiHiroshi Mukae
Apr 21, 2018·Current Rheumatology Reports·Mariano AndrésEliseo Pascual
Dec 22, 2020·Anaerobe·Hassam AliNicole L Bolick
Jul 6, 2021·Proceedings·Patrick M Ryan, Bernard F Morrey
Jul 5, 2021·Anaerobe·Patrick M Ryan, Caleb P Shin

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Methods Mentioned

BETA
lavage

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