Pulmonary Capillariasis in a Child in Iran

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  • Children's Hospital Medical Center, University of Teheran, Tulane University School of Public Health and Tropical Medicine, Teheran, Iran
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A 9-year-old boy in Teheran, Iran developed severe asthmatic symptoms, productive cough, and moderate eosinophilia. Lung biopsy demonstrated a helminth in a granulomatous lesion with foreign-body type cellular reaction leading to a tentative diagnosis of visceral larva migrans. Diethylcarbamazine, thiabendazole, and steroids were given, rapidly relieving the symptoms. In a subsequent review of the biopsy the helminth was identified as a Capillaria, probably Capillaria (Thominx) aerophila, a nematode parasite of dogs, cats, and other carnivores, apparently the ninth such infection to be reported in man.