Comparison of serological and parasitological methods for cutaneous leishmaniasis diagnosis in the state of Paraná, Brazil
Braz. j. infect. dis
; Braz. j. infect. dis;13(1): 47-52, Feb. 2009. graf, tab
Article
em En
| LILACS
| ID: lil-517814
Biblioteca responsável:
BR1.1
ABSTRACT
We evaluated the effectiveness of serological and parasitological methods for cutaneous leishmaniasis (CL) diagnosis in patients from the central region of Paraná state, southern Brazil. Five groups were compared clinical diagnosis, parasitological diagnosis, communicants, inhabitants of a non-endemic area and carriers of other etiologies. Two antigens were prepared from promastigotes of Leishmania (Viannia) braziliensis and Leishmania (Leishmania) amazonensis for indirect immunofluorescence assay, ELISA and immunoblotting. The parasitological approaches detected 79.3 percent of the patients with a clinical diagnosis; the parasites were identified by PCR as L. (V.) braziliensis. Serological methods showed 95 percent sensitivity for homologous antigens. Immunoblotting revealed specific proteins for diagnosis of CL and detected 96.6 percent of the patients when L. (V.) braziliensis was used as an antigen, and 83.3 percent with L. (L.) amazonensis. This study demonstrated the importance of differential diagnosis for leishmaniasis; the association of two or more indirect methods increased diagnosis sensitivity.
Palavras-chave
Texto completo:
1
Base de dados:
LILACS
Assunto principal:
Leishmania braziliensis
/
Leishmania mexicana
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Leishmaniose Cutânea
Tipo de estudo:
Diagnostic_studies
/
Evaluation_studies
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Prognostic_studies
Limite:
Animals
/
Humans
País como assunto:
America do sul
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Brasil
Idioma:
En
Ano de publicação:
2009
Tipo de documento:
Article