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Emerg Radiol. 2009 Mar;16(2):159-62. doi: 10.1007/s10140-008-0706-5. Epub 2008 Feb 15.

Necrotizing pneumonia caused by community-acquired methicillin-resistant Staphylococcus aureus: an increasing cause of "mayhem in the lung".

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H. Russell Morgan Department of Radiology, Johns Hopkins University School of Medicine, Baltimore, MD, USA.


Although long recognized as a nosocomial organism, methicillin-resistant Staphylococcus aureus (MRSA) has been noted to have an increasing incidence in both immunocompromised and otherwise healthy people in the community. Community-acquired MRSA (CA-MRSA) is genetically distinct from hospital-acquired MRSA and frequently expresses the Panton-Valentine leukocidin toxin, which confers an aggressive necrotizing phenotype and is accompanied by a poor prognosis. We present a case of CA-MRSA pneumonia with the aim to alert the radiologist of the radiographic manifestations of this increasingly encountered and frequently fatal disease.

[Indexed for MEDLINE]

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