larva migrans (visceral)

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Toxocariasis is infection with worms of the genus Toxocara, a genus of nematode parasites found in dog - T.canis - and cats - T.cati. Both species can sometimes be found in man.

It occurs in two types:

  • visceral larva migrans
  • ocular larva migrans also referred to as retinal granuloma

The phrase larva migrans refers to the fact that the worm fails to mature in humans.

Last reviewed 01/2018