A young Negro boy with occult helminth infection, most likely due to Toxocara canis, developed splenic and pulmonary calcifications after the acute process subsided. Hyperkinetic behavior and the appearance of seizure activity two years after his infection raise the question as to whether parasites might have produced these phenomena.
Haddow JE, Gall DG. Occult Helminth Infection With Appearance of Splenic and Lung Calcifications. Am J Dis Child. 1970;120(6):555–556. doi:10.1001/archpedi.1970.02100110103014
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