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Memórias do Instituto Oswaldo Cruz
Print version ISSN 0074-0276
CALDEIRA, Kerlen et al. Comparison of the Kato-Katz and Helmintex methods for the diagnosis of schistosomiasis in a low-intensity transmission focus in Bandeirantes, Paraná, southern Brazil. Mem. Inst. Oswaldo Cruz [online]. 2012, vol.107, n.5, pp.690-692. ISSN 0074-0276. http://dx.doi.org/10.1590/S0074-02762012000500019.
The diagnosis of schistosomiasis is problematic in low-intensity transmission areas because parasitological methods lack sensitivity and molecular methods are neither widely available nor extensively validated. Helmintex is a method for isolating eggs from large faecal samples. We report preliminary results of a comparative evaluation of the Helmintex and Kato-Katz (KK) methods for the diagnosis of schistosomiasis in a low-intensity transmission area in Bandeirantes, Paraná, southern Brazil. Eggs were detected by both methods in seven patients, whereas only Helmintex yielded positive results in four individuals. The results confirm the previously demonstrated higher sensitivity of the Helmintex method compared with the KK method.
Keywords : schistosomiasis; low endemicity; parasitological diagnosis.