Dicrocoelium dendriticum : An Unusual Parasitological Diagnosis in a Reference International Health Unit

Finding eggs in human feces is exceptional and there are few prevalence data available. True infection occurs after accidental ingestion of ants containing metacercariae and spurious infection through the consumption of infected animal liver. Differential diagnosis between true and pseudo-infections...

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Bibliographic Details
Published in:The American journal of tropical medicine and hygiene 2017-02, Vol.96 (2), p.355-357
Main Authors: Moure, Zaira, Zarzuela, Francesc, Espasa, Mateu, Pou, Diana, Serre-Delcor, Nuria, Treviño, Begoña, Bocanegra, Cristina, Molina, Israel, Pumarola, Tomas, Sulleiro, Elena
Format: Article
Language:English
Subjects:
Adult
Animals
Diagnosis, Differential
Dicrocoeliasis - diagnosis
Dicrocoeliasis - epidemiology
Dicrocoelium
Dicrocoelium dendriticum
Emigrants and Immigrants
Formicidae
Humans
Mali - ethnology
Middle Aged
Nigeria - ethnology
Senegal - ethnology
Spain - epidemiology
Trematoda
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Summary:Finding eggs in human feces is exceptional and there are few prevalence data available. True infection occurs after accidental ingestion of ants containing metacercariae and spurious infection through the consumption of infected animal liver. Differential diagnosis between true and pseudo-infections is performed through stool examination after a diet free of liver. In addition, microscopy can help to differentiate the type of infection. We report six cases, all from sub-Saharan Africa, detection of this fluke at the Tropical Medicine Unit Vall d'Hebron-Drassanes (Barcelona, Spain). transit eggs were visualized in five cases and there were no subsequent visualizations after diet, which reinforces that all these cases were false parasitism. In one case, few embryonated eggs were observed and the patient was treated for a possible true parasitism. There is a need to investigate the prevalence of in our country focusing on the distinction between true and spurious infections.
ISSN:0002-9637
1476-1645
DOI:10.4269/ajtmh.16-0549