Serologic diagnosis of Toxocara canis infection. 1980

S P Galant, and L T Glickman, and A E Loscialpo, and G Klein

Visceral larval migrans (VLM) caused by Toxocara canis presents a wide spectrum of clinical manifestations with eosinophilia. Although the presence of increased serum IgE and isohemagglutinin titers are useful screening tests, the specific diagnosis rests on identification of larvae in biopsy specimens of tissues or serologic tests for specific antibody to the Toxocara organism. A 2-year-old boy with marked eosinophilia associated with milk respiratory tract illness had negative indirect hemagglutination (IHA) and bentonite flocculation (BF) titers to Toxocara, but serum tested for specific antibodies against Toxocara embryonated egg (TEE) antigens by the Ouchterlony immunodiffusion and enzyme-linked immunosorbent assay (ELISA) technics was strongly positive.

UI MeSH Term Description Entries
D007816 Larva Migrans, Visceral A condition produced in man by the prolonged migration of animal nematode larvae in extraintestinal tissues other than skin; characterized by persistent hypereosinophilia, hepatomegaly, and frequently pneumonitis, commonly caused by Toxocara canis and Toxocara cati. Visceral Larva Migrans Syndrome,Larva Migran, Visceral,Migran, Visceral Larva,Migrans, Visceral Larva,Visceral Larva Migran,Visceral Larva Migrans
D008297 Male Males
D002675 Child, Preschool A child between the ages of 2 and 5. Children, Preschool,Preschool Child,Preschool Children
D004797 Enzyme-Linked Immunosorbent Assay An immunoassay utilizing an antibody labeled with an enzyme marker such as horseradish peroxidase. While either the enzyme or the antibody is bound to an immunosorbent substrate, they both retain their biologic activity; the change in enzyme activity as a result of the enzyme-antibody-antigen reaction is proportional to the concentration of the antigen and can be measured spectrophotometrically or with the naked eye. Many variations of the method have been developed. ELISA,Assay, Enzyme-Linked Immunosorbent,Assays, Enzyme-Linked Immunosorbent,Enzyme Linked Immunosorbent Assay,Enzyme-Linked Immunosorbent Assays,Immunosorbent Assay, Enzyme-Linked,Immunosorbent Assays, Enzyme-Linked
D005779 Immunodiffusion Technique involving the diffusion of antigen or antibody through a semisolid medium, usually agar or agarose gel, with the result being a precipitin reaction. Gel Diffusion Tests,Diffusion Test, Gel,Diffusion Tests, Gel,Gel Diffusion Test,Immunodiffusions,Test, Gel Diffusion,Tests, Gel Diffusion
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man

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