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1/3. granuloma of the anal canal due to enterobius vermicularis. Report of a case.

    A case of a submucosal foreign body granuloma caused by enterobius vermicularis in the wall of the anal canal of a 29-year-old man is reported.
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keywords = vermicularis
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2/3. enterobius vermicularis in ectopic sites.

    We document six cases in which tissues were invaded by enterobius vermicularis. These cases illustrate several mechanisms whereby the worms form granulomata in ectopic sites. In three cases, the worms passed through pre-existing breaches in the intestinal mucosa. In one case, a gravid worm migrated via the female genital tract to ther peritoneal cavity. In two other cases, male worms were found on the outer surface of the intestine, suggesting active penetration of the intestinal wall.
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keywords = vermicularis
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3/3. An unusual over-gravid female of enterobius vermicularis recovered from a child.

    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.
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keywords = vermicularis
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