| Home | E-Submission | Sitemap | Contact us |  
Korean J Parasitol > Volume 35(3):1997 > Article

Brief Communication
Korean J Parasitol. 1997 Sep;35(3):215-217. English.
Published online Sep 20, 1997.  http://dx.doi.org/10.3347/kjp.1997.35.3.215
Copyright © 1997 by The Korean Society for Parasitology
An unusual over-gravid female of Enterobius vermicularis recovered from a child
J Y Chai,*1E T Han,1J L Kim,1A S Kim,2 and J C Kang2
1Department of Parasitology and Institute of Endemic Diseases, Seoul National University College of Medicine, Seoul 110-799, Korea.
Received June 23, 1997; Accepted July 04, 1997.


An unusual over-gravid female of Enterobius vermicularis was recovered from a 15-month old child by cello-tape anal swab. The patient resided in Inchon and complained of severe anal itching. The worm measured 7.8 mm in length and 0.5 mm in width, and retained typical morphologic features of E. vermicularis such as cephalic alae and a sharply pointed posterior end. In this gravid female, peculiarly, the uterus was tremendously distended, and about 99% of the whole body length was completely packed with a great number of eggs. Other internal organs were difficult to observe. This paper describes a peculiar over-gravid female of E. vermicularis.


Figs. 1-5
Fig. 1. The over-gravid female of E. vermicularis collected from the child. Bar=1mm. Fig. 2. Posterior end of the over-gravid female. Note the long pointed tail (arrow). Bar=5 µm. Fig. 3. Anterior part of the worm. Note the swollen cuticle, cephalic alae, at the head portion (arrows). Bar=10 µm. Fig. 4. The vulva opening (arrow) of the worm. Bar=10 µm. Fig. 5. An egg liberated from the vagina of this worm. Bar=20 µm.

2. Boulos PB, Cowie AG. Pinworm infestation of the appendix. Br J Surg 1973;60(12):975–976.
3. Chandrasoma PT, Mendis KN. Enterobius vermicularis in ectopic sites. Am J Trop Med Hyg 1977;26(4):644–649.
4. Cho SY, et al. Chung-Ang J Med 1982;7:39–45.
5. Chung DI, Kong HH, Yu HS, Kim J, Cho CR. Live female Enterobius vermicularis in the posterior fornix of the vagina of a Korean woman. Korean J Parasitol 1997;35(1):67–69.
6. Garud MA, Saraiya U, Paraskar M, Khokhawalla J. Vaginal parasitosis. Acta Cytol 1980;24(1):34–35.
7. Hulinska D. Folia Parasitolohica(Praha) 1968;15:15–27.
8. Kacker PP. Vulvo-vaginitis in an adult with thread-worms in the vagina. Br J Vener Dis 1973;49(3):314–315.
9. Nutting SA, Murphy F, Inglis FG. Abdominal pain due to Enterobius vermicularis. Can J Surg 1980;23(3):286–287.
10. Tornieporth NG, Disko R, Brandis A, Barutzki D. Ectopic enterobiasis: a case report and review. J Infect 1992;24(1):87–90.
Editorial Office
Department of Molecular Parasitology, Samsung Medical Center, School of Medicine, Sungkyunkwan University,
2066 Seobu-ro, Jangan-gu, Suwon 16419, Gyeonggi-do, Korea.
Tel: +82-31-299-6251   FAX: +82-1-299-6269   E-mail: kjp.editor@gmail.com
About |  Browse Articles |  Current Issue |  For Authors and Reviewers
Copyright © 2022 by The Korean Society for Parasitology and Tropical Medicine.     Developed in M2PI