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Thursday, April 7, 2011

GNATHOSTOMIASIS

Gnasthostoma is a nematode of digs and cats in Bangladesh, South East Asia and Far EAST.
 Third stage larva re ingested by people who eat inadequately cooked infected fish or by swallowing water containing infected Cyclops.
Clinical features
The immature worm usually migrates to the subcutaneous tissue where it causes recurrent swellings. The full grown adult worm, which may be as long as 3 cm, may be visible through the skin when it can be excised. In deeper tissues the worm may cause injury to the brain, kidney, lung, eye or other organs. Eosinophilia is usually pronounced.
Diagnosis
This is usually clinical, and is easy when the adult worm is visible. Serology, if available, is helpful.
Management
Treatment is not satisfactory but some success has been obtained with bithionol used as for fascioliasis.

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