Shared Flashcard Set

Details

9 Helminth Infections
Diseases, Agents, Descriptions
13
Medical
Post-Graduate
03/17/2009

Additional Medical Flashcards

 


 

Cards

Term

 

 

 

Three types of Helminths

Definition

 

  • Nematode - roundworm
  • Cestode - tapeworm
  • Trematode - flatworm

33% of the world's population has helminth infection

Term

 

 

 

Ascariasis

 

Helminth

Definition

H: Ascaris lumbricoides (nematode)

  • Eating fecally-contaminated food or soil (STH: soil transmitted helminth, geohelminth)
  • Intestinal
  • 1 billion people infected worldwide
Term

 

 

 

Trichuriasis

 

Helminth

Definition

H: Trichuris trichiura (Nematode: whipworm)

  • Eating fecally-contaminated food or soil (STH: soil transmitted helminth)
  • Intestinal
  • 795 million people infected worldwide
Term

 

 

 

Hookworm

 

Helminth

Definition

H: Necator americanus, Ancyclostoma duodenale (Nematode: hookworm)

  • Intestinal but enters through bare feet (STH)
  • Compromises health and nutrition (bleeding -> iron loss); impairs child growth
  • Tropical and subtropical: ~740 million infected
  • STHs usually treated with a single dose of albendazole
Term

 

 

 

Clonorchiasis

 

Helminth

Definition

H: Clonorchis sinensis (Trematode: flatworm, platyhelminth / liver fluke)

  • Undercooked or raw freshwater fish
  • Asia, especially China
Term

 

 

 

Cysticercosis

 

Helminth

Definition

H: Cysticerca spp. (Cestode: tapeworm)

 

  • Undercooked pork
  • Worms embed in muscles, brain, eyes, and elsewhere
Term

 

 

 

Echinococcosis

 

Helminth

Definition

H: Echinococcus spp. (Nematode: roundworm)

 

  • Hydatid cyst disease
  • Mostly a zoonosis, dogs, sheep, and goats
  • Humans are accidental hosts, cysts in liver and lungs
Term

 

 

 

Enterobiasis

 

Helminth

Definition
H: Enterobius vermicularis (Nematode: pinworm)
Term

 

 

 

Paragonimiasis

 

Helminth

Definition

H: Paragonimus westermani (Trematode: flatworm, platyhelminth/lung fluke)

  • Undercooked or raw freshwater crabs or crawfish
  • Asia, esp China, Middle East, S. America, also Carribean
Term

 

 

 

Strongyloidiasis

 

Helminth

Definition

H: Strongyloides stercoralis (Nematode: threadworm)

  • Enters body through the skin
  • Tropical and temperate areas
Term

 

 

 

Taeniasis

 

Helminth

Definition

H: Taenia solium, T. saginata (Cestode: tapeworm)

  • Undercooked pork, beef, or other meat
  • Worldwide
Term

 

 

 

Trichinosis/Trichinellosis

 

Helminth

Definition

H: Trichinella spiralis (Nematode)

  • Undercooked pork, beef, or other meat
  • Infects body tissue
  • Worldwide
Term

 

 

 

Ringworm

 

Helminth

Definition

F: Tinea spp.

  • Not a worm infection
  • The same types of fungi cause several dermatomycoses (fungal skin infections)
  • Diaper rash, thrush, and vaginal yeast infections are caused by a different fungus, Candida albicans
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