Listeriosis laboratory tests: Difference between revisions
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==Laboratory Findings== | ==Laboratory Findings== | ||
Laboratory tests may be done to detect the bacteria in amniotic fluid, blood, feces, and urine | Laboratory tests may be done to detect the bacteria in amniotic fluid, blood, feces, and urine. | ||
Despite the name, more that half the patients present with increased levels of [[neutrophils]] in [[CSF]]. | |||
==References== | ==References== |
Revision as of 20:07, 22 July 2014
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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]
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Overview
Diagnosis is confirmed only after isolation of Listeria monocytogenes from a normally sterile site, such as blood, or from amniotic fluid or the placenta in the setting of pregnancy. Listeria monocytogenes can be isolated readily on routine media, but care must be taken to distinguish this organism from other Gram-positive rods, particularly diphtheroids. Selective enrichment media improve rates of isolation from contaminated specimens. Serological tests are unreliable, and not recommended at the present time.
Laboratory Findings
Laboratory tests may be done to detect the bacteria in amniotic fluid, blood, feces, and urine.
Despite the name, more that half the patients present with increased levels of neutrophils in CSF.