1921
Volume 98, Issue 4
  • ISSN: 0002-9637
  • E-ISSN: 1476-1645
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Abstract

Abstract.

Negative results in serological routine screening of patients with microbiologically proven Paracoccidioidomycosis (PCM) are occasionally reported. Failure in detecting anti- antibodies has been ascribed to factors either related to serological techniques or to the status of the host immune reactivity. Recently, this issue has been renewed by the recognition that the genera comprises two species, and , which have distinct antigenic profiles and, therefore, may elicit different host antibody responses. We describe a patient with the acute form PCM due to with negative results on two reference centers’ routine screening for antibodies, but positive results with antigens. The present case report suggests that antibodies elicited during infection recognize antigenic fractions shared by both species, highlighting the difficulties in distinguishing the two infections by means of the currently available routine serological assays.

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/content/journals/10.4269/ajtmh.17-0812
2018-04-04
2018-04-24
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  • Received : 16 Oct 2017
  • Accepted : 31 Dec 2017

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