parasites frequently associated with eosinophilia

Etiology

• cestodes (tapeworms)
  • Echinococcus granulosus - when hydatid cyst leaks
  • Taenia solium
    • during muscle encystation
    • in CSF with neurocysticercosis
• trematodes (flukes)
  • Paragonimus spp.
  • Fasciola hepatica
  • Clonorchis sinensis
  • Schistosoma
    • S mansoni - 50% of infected travelers
    • S haematobium - 25% of infected travelers
    • S japonicum - up to 1000/mm3 in acute infection
• nematodes (roundworms)
  • Ascaris lumbricoides - during larval migration
  • hookworms - during larval migration
  • Strongyloides stercoralis
    • very high during larval migration
    • early years of infection
  • Trichinella spiralis - up to 7000/mm3
  • Filaria - up to 8000/mm3
• Toxocara spp. - > 3000/mm3
  • Ancylostoma braziliense - with extensive cutaneous eruption
  • Gnathostoma spinigerum
    • visceral larval migrans
    • eosinophilic meningitis
  • Angiostrongylus
    • A cantonensis - eosinophilic meningitis
    • A costaricensis - visceral larval migrans
• protozoa (possibly)
  • Isospora belli
  • Dientamoeba fragilis

Additional terms

• eosinophilia