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Hookworm-like eggs in children's faecal samples from a rural area of Rwanda. | LitMetric

Hookworm-like eggs in children's faecal samples from a rural area of Rwanda.

Afr Health Sci

Área de Parasitología del Departament de Biología Cel.lular i Parasitología, Facultat de Farmàcia, Universitat de València, Valencia, Spain.

Published: March 2016

AI Article Synopsis

Article Abstract

Background: Hookworm eggs identification and quantification is usually carried out by Kato-Katz method. However various structures present in the smear may be confused with eggs of such parasites.

Objective: To document the presence of structures in Kato-Katz slides that could initially be misinterpreted as hookworm eggs.

Method: 497 faecal samples were analysed by Kato-Katz technique, diphasic concentration technique, agar-plate coprocultive and larvae obtained were analysed by PCR and characterized by sequencing.

Result: Hookworm-like eggs were found in 159 (32%) of the samples by Kato-Katz, finally identified as Caenorhabditis elegans by PCR technique.

Conclusion: The diagnosis of human hookworm eggs, only by the use of Kato-Katz technique can lead to false positives because of similarities with eggs of other free-living worms, from wet soils like those of Rwanda that could contaminate stool samples.

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Source
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC4915412PMC
http://dx.doi.org/10.4314/ahs.v16i1.11DOI Listing

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