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  • Title: Risk of underdiagnosing amebic dysentery due to false-negative Entamoeba histolytica antigen detection.
    Author: Prim N, Escamilla P, Solé R, Llovet T, Soriano G, Muñoz C.
    Journal: Diagn Microbiol Infect Dis; 2012 Aug; 73(4):372-3. PubMed ID: 22683092.
    Abstract:
    Entamoeba histolytica antigen assays on stool are widely used to diagnose amebiasis. We report a case of confirmed amebic colitis with a false-negative antigen detection that became positive after treatment. Our results indicate that these assays may underdiagnose acute amebic infection when used alone and should be used cautiously.
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