Parasites, Hosts and Diseases

The Korea Society for Parasitology and Tropical Medicine (대한기생충학·열대의학회)
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Echinostoma ilocanum Infection in Oddar Meanchey Province, Cambodia

  • Sohn, Woon-Mok (Department of Parasitology, and Institute of Health Sciences, Gyeongsang National University School of Medicine) ;
  • Kim, Hyeong-Jin (Department of Parasitology and Tropical Medicine, Seoul National University College of Medicine) ;
  • Yong, Tai-Soon (Department of Environmental Medical Biology, Yonsei University College of Medicine) ;
  • Eom, Kee-Seon S. (Department of Parasitology, Chungbuk National University College of Medicine) ;
  • Jeong, Hoo-Gn (Korea Association of Health Promotion) ;
  • Kim, Jae-Kwang (Korea Association of Health Promotion) ;
  • Kang, A-Reum (Korea Association of Health Promotion) ;
  • Kim, Mok-Ryun (Korea Association of Health Promotion) ;
  • Park, Jung-Mi (Korea Association of Health Promotion) ;
  • Ji, Soo-Hyeon (Korea Association of Health Promotion) ;
  • Sinuon, Muth (Nationai Institute of Parasitology, Entomology, and Malaria Control) ;
  • Socheat, Duong (Korea Association of Health Promotion) ;
  • Chai, Jong-Yil (National Institute of Parasitology, Entomology, and Malaria Control)
  • Received : 2011.04.18
  • Accepted : 2011.05.18
  • Published : 2011.06.30
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Abstract

Fecal examinations using the Kato Katz technique were performed on a total of 1,287 villagers (945 students and 342 general inhabitants) of Oddar Meanchey Province, Cambodia in May 2007 and November 2009. The overall intestinal helminth egg positive rate was 23.9%, and the most prevalent helminth species was hookworms (21.6%). Other helminth eggs detected included echinostomes (1.0%), Enterobius vermicularis (0.8%), small trematode eggs (0.7%), which may include Opisthorchis viverrini and Haplorchis spp., and Hymenolepis nana (0.4%). In order to recover adult echinostomes, we treated 2 patients with 10-15 mg/kg praziquantel and purged. Total 14 adult echinostomes, 1 and 13 worms from each patient, were collected. The echinostomes characteristically had 49-51 collar spines and 2 round or slightly lobated testes. They were identified as Echinostoma ilocanum (Garrison, 1908) Odhner, 1911. So far as literature are concerned, this is the first record on the discovery of human E. ilocanum infection in Cambodia.

Keywords

References

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