Gastric anisakiasis cases in Cheju-do, Korea

, Im, K I; , Shin, H J; , Kim, B H; , Moon, S I

doi:1995.33.3.179

Korean J Parasito > Volume 33(3):1995 > Article

Original Article


Korean J Parasitol. 1995 Sep;33(3):179-186. Korean. Published online Sep 20, 1995. http://dx.doi.org/10.3347/kjp.1995.33.3.179
Copyright © 1995 by The Korean Society for Parasitology


Gastric anisakiasis cases in Cheju-do, Korea
K I Im,^*¹^,²H J Shin ,¹^,³B H Kim,¹ and S I Moon¹
¹Institute of Tropical Medicine, College of Medicine, Yonsei University, Seoul 120-752, Korea.

Received June 29, 1995; Accepted July 31, 1995.
Abstract
Human anisakiasis may occur after ingestion of raw marine fish infected with nematode larvae of Anisakidae. Anisakiasis caused by the migration of the larva into the wall of stomach, small intestine and other portion has been reported in Korea. This prospective study was made of all cases referred to parasitological laboratory in Cheju-do between June 1989 and June 1992. Gastric anisakiasis was confirmed if larvae invading the gastric wall were observed by gastrofiberscopy. One hundred and seven cases were diagnosed, most of which were in 30-49 years old. Most of the patients complained acute epigastric pain with history of eating raw marine fish. This symptom usually occurred about 12 hours to 1 day after ingestion of infected marine fish. Edema, erosion or ulcer of the mucosa and hemorrhage from the gastric wall were observed in the involved areas. Ninety larvae removed from the stomach were identified; the larva of Anisakis simplex was the most prevalent species, and the larva of Pseudoterranova decipiens was also detected. The important species of marine fish from which the patients became infected was demonstrated as yellow corvina, sea eel, ling, cuttle fish, yellowtail and others. Five species of marine fish as a possible source of infection were examined, and Anisakis simplex larvae and Pseudoterranova decipiens larvae were collected from the mackerel and rock cod. This study demonstrates that anisakiasis is recognized as a public health problem in Korea.

Figures


	Fig. 1 Gastrofiberscopic findings in 5 cases of gastric anisakiasis. Hemorrhage and edematous mucosa with erosion are observed.

Tables


	Table 1 Age and sex distribution of anisakiasis cases in the this study


	Table 2 Clinical features observed in anisakiasis cases


	Table 3 Gastrofiberscopic findings of involved sites of the stomach


	Table 4 Measurement of larvae collected from the stomach


	Table 5 Identification of worms colledted from the stomach


	Table 6 Source of infection observed in anisakiasis cases


	Table 7 Anisakis larvae detected in fish


	Table 8 Summary of th human anisakiasis reported in Korea

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