Pneumonia: Parasitic

T. B. Nutman, K. R. Talaat

Research output: Chapter in Book/Report/Conference proceedingChapter

Abstract

Parasites are eukaryotic organisms that live within another organism or host. They are broadly divided into two groups: single-celled protozoa and multicellular helminths. Most parasites have complex life cycles with multiple stages, often requiring multiple host species to complete their life cycle. Humans acquire infection with parasitic organisms in a number of different ways. Some are ingested through a fecal-oral spread, others transmitted by insect vectors, still others by penetrating through the skin of the host from contaminated soil or water. This article focuses on the major parasitic infections that affect the lungs. Few parasites specifically go to the lungs as their final target organ, with the exception of Paragonimus, the lung fluke. For the majority of the organisms that cause pulmonary disease, either the lungs are secondary sites of infection (e.g., amebiasis and toxoplasmosis), or the parasites migrate through the lung en route to another organ system (e.g., . Strongyloides, . Ascaris). In some infections, pulmonary symptoms are due to a hypersensitivity immune response to parasite antigen as seen in the tropical pulmonary eosinophilia syndrome.

Original languageEnglish (US)
Title of host publicationEncyclopedia of Respiratory Medicine, Four-Volume Set
PublisherElsevier Inc.
Pages447-451
Number of pages5
ISBN (Print)9780123708793
DOIs
StatePublished - Jan 1 2006
Externally publishedYes

Keywords

  • Amebiasis
  • Ascaris
  • Echinococcus
  • Filaria
  • Helminth
  • Hookworm
  • Löffler's syndrome
  • Paragonimus
  • Parasite
  • Protozoa
  • Strongyloides
  • Toxocara
  • Toxoplasmosis
  • Tropical pulmonary eosinophilia
  • Visceral larva migrans

ASJC Scopus subject areas

  • Biochemistry, Genetics and Molecular Biology(all)

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  • Cite this

    Nutman, T. B., & Talaat, K. R. (2006). Pneumonia: Parasitic. In Encyclopedia of Respiratory Medicine, Four-Volume Set (pp. 447-451). Elsevier Inc.. https://doi.org/10.1016/B0-12-370879-6/00314-8