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Korean J Parasitol > Volume 26(1):1988 > Article

Original Article
Korean J Parasitol. 1988 Mar;26(1):33-38. English.
Published online Mar 20, 1994.  http://dx.doi.org/10.3347/kjp.1988.26.1.33
Copyright © 1988 by The Korean Society for Parasitology
Description of a male Gnathostoma spinigerum recovered from a Thai woman with meningoencephalitis
Soon Hyung Lee,Sung Tae Hong and Jong Yil Chai
Department of Parasitology and Institute of Endemic Diseases, College of Medicine, Seoul National University, Seoul 110-460, Korea.

A coiled nematode, which was removed surgically from a Thai woman, was consulted to the authors in July 1987. She was known to suffer from meningoencephalitis since she was in Thailand. Numerous eosinophils were detected from her CSF. The worm was 12.3 mm long and 0.9 mm wide. It had a head bulb beset with eight rows of spines, a cervical constriction, esophagus, cervical sacs, dark intestine and testis. Cuticle of anterior half of the worm was covered with numerous spines. The spines at anterior part was stout and had 3-4 tips, but they became slender, shorter, single tipped and sparser and finally they disappeared posteriorly. Cuticular spines reappeared at tail which had 4 pairs of pedunculated papillae. By above morphological characteristics, the worm was identified as an adult male of Gnathostoma spinigerum. The present case is the first authentic case of imported intracranial gnathostomiasis in Korea, although clinical informations of the case were obtained limitedly.


Fig. 1
Drawing of whole worm of Gnathostom spinigerum with enlarged spines by location (H: Head bulb, E: Esophagus, C: Cervical sacs, I: Intestine, T: Testis, P: Caudal papillae).

Figs. 2-7
Fig. 2. Anterior end of G. spinigerum with a head bulb and lips.

Fig. 3. Cuticular spines on head bulb and neck (type A), ×400.

Fig. 4. Cuticular spines (type B) at esophagus level, ×400.

Fig. 5. Cuticular spines (type C) at intestinal level showing two toothed tips, ×400.

Fig. 6. Minute single-tipped spines (type D) at mid-portion of body, ×200.

Fig. 7. Tail of male G. spinigerum showing minute cuticular spines and four pairs of pedunculated papillae, ×100.

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