Case report: Misleading serological diagnosis of paracoccidioidomycosis in a young patient with the cute form disease: Paracoccidioides brasiliensis or paracoccidioides lutzii?
Am. j. trop. med. hyg
; Am. j. trop. med. hyg;98(4): 1082-1085, Apr. 2018. ilus
Article
en En
| SES-SP, SESSP-IIERPROD, SES-SP
| ID: biblio-1022290
Biblioteca responsable:
BR31.1
Ubicación: BR31.1; 2018_P-013
ABSTRACT
Negative results in serological routine screening of patients with microbiologically proven aracoccidioidomycosis (PCM) are occasionally reported. Failure in detecting anti-Paracoccidioides 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 Paracoccidioides genera comprises two species, lutzii and brasiliensis, which have distinct antigenic profiles and, therefore, may elicit different host antibody responses. We describe a patient with the acute form PCM due to Paracoccidioides brasiliensis with negative results on two reference centers' routine screening for P. brasiliensis antibodies, but positive results with Paracoccidioides lutzii antigens. The present case report suggests that antibodies elicited during P. brasiliensis 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
Texto completo:
1
Colección:
06-national
/
BR
Base de datos:
SES-SP
/
SESSP-IIERPROD
Asunto principal:
Paracoccidioides
/
Paracoccidioidomicosis
Tipo de estudio:
Diagnostic_studies
Límite:
Adolescent
/
Humans
/
Male
País/Región como asunto:
America do sul
/
Brasil
Idioma:
En
Revista:
Am. j. trop. med. hyg
Año:
2018
Tipo del documento:
Article