An Unusual Case of Streptococcus anginosus Group Pyomyositis Diagnosed Using Direct 16S Ribosomal DNA Sequencing

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dc.contributor.authorWalkty, Andrew
dc.contributor.authorEmbil, John M
dc.contributor.authorNichol, Kim
dc.contributor.authorKarlowsky, James
dc.date.accessioned2016-06-07T17:49:39Z
dc.date.available2016-06-07T17:49:39Z
dc.date.issued2014-1-1
dc.date.updated2016-06-07T06:53:12Z
dc.description.abstractBacteria belonging to the Streptococcus anginosus group (Streptococcus intermedius, Streptococcus constellatus and Streptococcus anginosus) are capable of causing serious pyogenic infections, with a tendency for abscess formation. The present article reports a case of S anginosus group pyomyositis in a 47-year-old man. The pathogen was recovered from one of two blood cultures obtained from the patient, but speciation was initially not performed because the organism was considered to be a contaminant (viridans streptococci group). The diagnosis was ultimately confirmed using 16S ribosomal DNA sequencing of purulent fluid obtained from a muscle abscess aspirate. The present case serves to emphasize that finding even a single positive blood culture of an organism belonging to the S anginosus group should prompt careful evaluation of the patient for a pyogenic focus of infection. It also highlights the potential utility of 16S ribosomal DNA amplification and sequencing in direct pathogen detection from aspirated fluid in cases of pyomyositis in which antimicrobial therapy was initiated before specimen collection.
dc.description.versionPeer Reviewed
dc.identifier.citationAndrew Walkty, John M Embil, Kim Nichol, and James Karlowsky, “An Unusual Case of Streptococcus anginosus Group Pyomyositis Diagnosed Using Direct 16S Ribosomal DNA Sequencing,” Canadian Journal of Infectious Diseases and Medical Microbiology, vol. 25, no. 1, pp. 32-34, 2014. doi:10.1155/2014/170517
dc.identifier.urihttp://dx.doi.org/10.1155/2014/170517
dc.identifier.urihttp://hdl.handle.net/1993/31338
dc.language.rfc3066en
dc.rightsopen accessen_US
dc.rights.holderCopyright © 2014 Hindawi Publishing Corporation. 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.
dc.titleAn Unusual Case of Streptococcus anginosus Group Pyomyositis Diagnosed Using Direct 16S Ribosomal DNA Sequencing
dc.typeJournal Article
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