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Nanophyetus salmincola
Epidemiology:
1) infection acquired by ingesting raw or inadequately cooked or smoked salmon or trout containing infectious metacercariae
2) distribution: Pacific northwest, far eastern Siberia
Clinical manifestations:
1) occurrence of symptoms is related to the number of worms
2) abdominal pain
3) diarrhea
Laboratory:
1) eosinophilia may be present
2) diagnosis is made by finding eggs in feces
a) ovoid, operculate yellowish-brown eggs
b) 60-80 by 34-50 um
Management:
-> praziquantel 20 mg/kg TID for 1 day
Related
praziquantel (Biltricide)
General
Nanophyetus
Properties
KINGDOM: animal
PHYLUM: helminth
References
- Clinical Diagnosis & Management by Laboratory Methods,
19th edition, J.B. Henry (ed), W.B. Saunders Co., Philadelphia,
PA. 1996, pg 1290
- Harrison's Principles of Internal Medicine, 13th ed.
Isselbacher et al (eds), McGraw-Hill Inc. NY, 1994, pg 930
- Harrell LW, Deardorff TL.
Human nanophyetiasis: transmission by handling naturally
infected coho salmon (Oncorhynchus kisutch).
J Infect Dis. 1990 Jan;161(1):146-8.
PMID: 2295848