Brief report. Intestinal nematodes, Toxocara infection, and pyogenic liver abscess in children: a possible association

TL;DRAbstract

Eosinophilia and intestinal helminths are frequent in children with pyogenic liver abscess (PLA) diagnosed in Vitória (Brazil). For these reasons we hypothesized that nematode infection with larvae migrating through the tissues (Ascaris, Strongyloides, Ancylostoma, Necator and Toxocara) may be a predisposing factor for PLA in children. We compared the prevalence of intestinal helminth and Toxocara infection between children with PLA and a control group of children with no evidence of PLA at the Children's Hospital N.S. da Glória in Vitória. From October 1996 to February 1998, 13 children with PLA and 110 children with diseases other than PLA provided five stool samples (Hoffman, Baerman and Kato-Katz methods) and one blood sample for anti-Toxocara antibodies (ELISA IgG, with previous adsorption with Ascaris suum antigen). All PLA and comparison children belonged to a low socioeconomic class and lived in similar conditions. The frequency of intestinal nematodes and anti-Toxocara antibod

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