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Canadian Journal of Infectious Diseases and Medical Microbiology
Volume 2016, Article ID 3265037, 3 pages
http://dx.doi.org/10.1155/2016/3265037
Case Report

Bacillus pumilus Septic Arthritis in a Healthy Child

1Division of Paediatric Rheumatology, BC Children’s Hospital, University of British Columbia, Vancouver, BC, Canada V6H 3V4
2Division of Infectious Diseases, BC Children’s Hospital, University of British Columbia, Vancouver, BC, Canada V6H 3V4
3Department of Paediatric Orthopaedics, BC Children’s Hospital, University of British Columbia, Vancouver, BC, Canada V6H 3V4
4Department of Pathology and Laboratory Medicine, BC Children’s Hospital, University of British Columbia, Vancouver, BC, Canada V6H 3V4

Received 25 August 2015; Accepted 7 March 2016

Academic Editor: José Ramón Blanco

Copyright © 2016 V. M. Shivamurthy et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

Abstract

We report a case of septic arthritis caused by a Bacillus species, B. pumilus, occurring in a healthy child. This organism rarely causes serious infections and has only been described in newborns and immunocompromised individuals or as a skin infection. This child developed an indolent joint swelling after a minor skin injury, and symptoms were initially thought most consistent with chronic arthritis. The case demonstrates that clinicians should consider joint infection in children presenting with acute monoarticular swelling, even without prominent systemic features.