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Trans R Soc Trop Med Hyg. 1990 Jul-Aug;84(4):559-62.

Comparison of two assays (EIA and EITB) and two samples (saliva and serum) for the diagnosis of neurocysticercosis.

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Instituto de Investigaciones Biomédicas, UNAM, México D.F., México.


The enzyme immunoassay (EIA), standardized with a crude extract, and the enzyme-linked immunoelectrotransfer blot assay (ETIB) with glycoprotein antigens, were compared by using saliva and serum in the search for specific antibodies against Taenia solium larvae, for the diagnosis of neurocysticercosis. Saliva was slightly more sensitive in EIA (82.1%) than serum (74.1%). In EITB serum was far more sensitive (100%) than saliva (70.4%). The use of EITB with serum is thus an excellent choice for diagnosis of clinical cases of neurocysticercosis, while EIA using saliva represents a useful combination for diagnosis and, especially, epidemiology, because saliva is easily obtained by a painless and non-invasive procedure and the technique is simpler to perform. Furthermore, cross-reactivity of EIA with Echinococcus does not interfere in countries like Mexico where human hydatid disease is not present.

[Indexed for MEDLINE]

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