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Korean J Parasitol > Volume 21(2):1983 > Article

Case Report
Korean J Parasitol. 1983 Dec;21(2):219-223. English.
Published online Mar 20, 1994.  http://dx.doi.org/10.3347/kjp.1983.21.2.219
Copyright © 1983 by The Korean Society for Parasitology
Studies on intestinal trematodes in Korea VIII. A human case of Echinostoma hortense infection
Byong-Seol Seo,Sung-Tae Hong,Jong-Yil Chai and Soon-Hyung Lee
Department of Parasitology and Institute of Endemic Diseases, College of Medicine, Seoul National University, Korea.
Abstract

Echinostomatid eggs were found from a 21-year old man, whole native village is Munkyong-gun, Kyongsangnam-do during fecal examination in October 1983. The eggs were detected again one week later concommitantly with the eggs of Clonorchis sinensis. He had no subjective symptoms related with these fluke infections. He was treated with praziquantel(Distocide) 20 mg/kg in single dose and purgated with magnesium salt. One echinostomatid fluke and 4 adults of C. sinensis were collected from the diarrheal stools. After morphological observation, the echinostomatid fluke was identified as Echinostoma hortense Asada, 1926. This is the first record on human E. hortense infection in Korea.

Figures


Figs. 1-3
1. Whole worm of E. hortense from the present case.

2. Magnification of anterior end of E. hortense showing 4 right end group spines and 4 (2 are not seen in this figure) left end group ones. Head crown is not distinct.

3. Egg of E. hortense from stool of the present case.


Tables


Table 1
Measurements of adult *E. hortense from the present human case


Table 2
Measurements of eggs and body of Echinostoma species from human


Table 3
The location of ovary and testes, and the number of collar spines of Echinostoma spp. from man

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