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Gnathostoma

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Gnathostoma /Gnath·os·to·ma/ (nah-thos´tah-mah) a genus of nematodes parasitic in cats, swine, cattle, and sometimes humans.
Gna·thos·to·ma (n-thst-m)
n.
A genus of nematode worms with multiple-host aquatic life cycles.

Gnathostoma
[nathos′tomə]
Etymology: Gk, gnathos + stoma, mouth
a genus of parasitic nematodes of the family Gnathostomatidae characterized by distinct jaws. G. spinigerum is parasitic in cats, dogs, and humans after they eat raw fish containing the larvae, causing gnathostomiasis. See also gnathostomiasis.

Gnathostoma
a genus of spiruroid nematodes of the family Gnathostomatidae.

Gnathostoma doloresi
found in domestic and wild pigs.
Gnathostoma hispidum
adults found in the stomach of pigs and cause gastritis. Larvae migrate through the liver causing hepatitis.
Gnathostoma nipponicum
causes granuloma in the esophagus of weasels.
Gnathostoma spinigerum
found in the stomach of cats, dogs, mink, polecat and wild Carnivora and erratically as a parasite under the skin of humans. Causes damage to liver and other organs while migrating, and establishes large cyst-like structures containing nematodes in the stomach wall.


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The Western blot assay for gnathostomiasis conducted at the Swiss Tropical Institute (Socinstrasse 57, CH-4002, Basel, Switzerland) was positive, showing immunoglobulin G reactivity to four specific bands including the 24-kDa band, considered pathognomonic for the diagnosis of Gnathostoma infection (1).
Anasikiasis is a rare nematode (roundworm) infection acquired through consumption of raw fish and cephalopods (Deardoff and Overstreet 1991); a similar disease associated with the helminthes Gnathostoma has been reported in Southeast Asia and the Middle East (Anantaphruti 2001).
As a result, the occurrence of Gnathostoma spinigerum infection leading to the clinical syndrome gnathostomiasis is increasing.
 
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