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 Coagulase Negative Staphylococcus 
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Joined: Tue Aug 04, 2015 6:50 pm
Posts: 1118
Post Coagulase Negative Staphylococcus
Many physicians think CNS is a contaminant which randomly shows up in prostate expressed secretion cultures, but there may be instances where it is the actual pathogen itself. Check out these findings from the National Institute of Health:

Coagulase negative staph in cases of prostatitis: http://prostatitis.org/redirect.php?lin ... ed/1732601

Three male patients with a clinical history of prostatitis with coagulase-negative staphylococci localized to the expressed prostatic secretion and who did not respond to antibiotics were studied intensively 4 weeks after cessation of therapy with repeat culture of the prostatic fluid, as well as with culture, and histological and ultrastructural examination of multiple prostatic biopsies. Coagulase-negative staphylococci were cultured in the biopsied prostatic tissue, and gram-positive staphylococci were identified in sparse and focal microcolonies adherent to the prostatic ductal walls. Coagulase-negative staphylococci may be implicated in the pathogenesis of chronic bacterial prostatitis.

Coagulase negative staph in cases of epididimytis: http://prostatitis.org/redirect.php?lin ... ed/3788880

We identified 35 patients who had epididymitis from 1965 to 1984 by hospital chart review. The common clinical presentation was swelling, pain, and erythema. Twenty-two patients had onset of symptoms within 24 hours of hospital admission. Surgery was performed in 31 patients, 22 of whom had cultures taken from the epididymis at the time of surgery. Bacterial agents were recovered from cultures of 13 patients: coagulase-negative staphylococci were identified in nine patients. In two patients, a polymicrobic cause was found. Six patients had associated urologic abnormality. Three patients had concurrent urinary tract infection. Urologic investigation should be undertaken in children younger than 2 years old and in older patients with recurrent episodes suspected to be due to reflux of urine and associated genitourinary abnormality.


Sun Oct 18, 2015 10:45 pm
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