[Case report of asymptomatic toxocariasis. A 24-month follow up]

An asympthomatic case of toxocariasis is described in a 9 years boy, who had been under follow-up observation for 24 months. He showed only a marked eosinophilia (42%) without any clinical alterations. The IgG antitoxocara dosage, performed by immunoenzymatic method, allowed to formulate the diagnosis. The oculistic checks, together with EEG carried out the time of diagnosis as well as at the end of follow-up did not show any alterations. No therapy was practised and the number of eosinophilis in to circulation went progressively down. At the end of follow-up the percentage of eosinophilis is 7%.