[Eosinophilic response in parasitic diseases].
The increase of eosinophiles in peripheral blood and in the lesion is characteristic feature of many parasitic diseases. Those parasites which invade host organs generally cause eosinophilia of high degree. Thus, zoonotic parasites belonging to genuses gnathostoma, paragonimus and angiostrongylus etc. bring about continuous hypereosinophilic response due to lasting larval migration, but in contrast, those which migrate temporarily during the developmental stage in the host, cause transient eosinophilia, as in Loeffler's syndrome, due to round worms. In contrast, those parasites which live in the luminal organ and never invade tissues, may not cause eosinophilia. The variety of patterns in eosinophile response is outlined together with some clinical data.
Department of Parasitology, Teikyo University School of Medicine.
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Shibuya
D000818:Animals; D004802:Eosinophilia / Q000209:etiology / Q000473:pathology*; D006801:Humans; D007958:Leukocyte Count; D010272:Parasitic Diseases / Q000150:complications / Q000473:pathology*