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Korean J Parasitol > Volume 32(1):1994 > Article

Case Report
Korean J Parasitol. 1994 Mar;32(1):53-56. English.
Published online Mar 20, 1994.  http://dx.doi.org/10.3347/kjp.1994.32.1.53
Copyright © 1994 by The Korean Society for Parasitology
A human case of gastric anisakiasis by Pseudoterranova decipiens larva
W M Sohn,*1 and S Y Seol2
1Department of Parasitology, College of Medicine, Inje University, Pusan 614-735, Korea.
Received January 03, 1994; Accepted February 25, 1994.


A case of gastric anisakiasis due to the larva of Pseudoterranova decipiens was confirmed by gastroendoscopic examination in April 23, 1991. The patient, residing in Pusan, was a 42-year-old housewife, who complained of severe epigastric pain and recalled that the symptom suddenly attacked her about 6 hours after eating raw Sebastes inermis. In the gastroendoscopic examination performed about 9 hours after the onset of the symptom, a long whitish nematode larva penetrating the gastric mucosa in the greater curvature of mid-body was found and removed with a biopsy forcep. The nematode was 29. 73 × 0.94 mm in size, had an intestinal cecum reaching over mid-level of the ventriculus and was identified as the 4th stage larva of P. decipiens.


Figs. 1-4
Fig. 1. Gastroendoscopic view of present case showing a long whitish larva penetrating the gastric mucosal fold in the greater curvature of mid-body. Fig. 2. Anterior portion of Pseudoterranova decipiens larva showing 3 lips (arrow heads) without a boring tooth, an excretory pore (arrow mark), a nerve ring (NR) and the muscular esophagus (E). Fig. 3. Ventricular level of present worm showing esophagus (E), ventriculus (V) intestine (I) and intestinal cecum (C) reaching over mid-level of ventriculus. Fig. 4. Posterior portion of present worm showing the intestine (I) and anus (A) but no mucron at posterior end.


Table 1
Measurements* and indices of Pseudoterranova decipiens larva in comparison with those of previous authors

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