the GASTROLAB Gastrointestinal Site: Old Endoscopy Quizzes: August 2007

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The Old Endoscopy Quiz (and Answer) of the Month
August 2007

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Question:

Click on the image above to start the slide show!

The summer of this year is here again - at least on our half of the globe. During the summer - in June, July and August - the Quiz will be quite easy for two reasons. First, a quick answers save You time to be out in the sun. Second, You do not have to be an expert in endoscopy to manage in this quiz during the summer. So - if You are a health care professional just thinking of starting a career in endoscopy, please have a try - You might find it interesting!

This middle aged lady came to a colonoscopy because of a slightly altered bowel function. The colonoscopy was normal except for this finding in her sigmoid colon - perhaps not at all related to her symptoms. What is this finding - still not quite rare in our country.

Correct answer:

Pinworm, Enterobius Vermicularis

Slideshow:

Pinworm in the Sigmoid Colon

Three pinworms seen by a videoendscope in the colon ascendens

Pinworm, Enterobius vermicularis, also called oxyuris vermicularis, is an intestinal roundworm endemic in both temperate and tropical regions and common especially in schoolage children. It is especially common in group living conditions. The pinworm can be found in the caecum and colon. Anal pruritus is the most common symtom, but the infection can be associated with abdominal pain. The adult female pinworm is about 10 millimeters long, the male pinworm is much smaller. The female worm lays eggs in the perianal region, and the worm is transmitted from person to person via the infected persons hands, or by bedclothes. Enterobius vermicularis can be treated with several antihelminthic drugs, e.g. pyrantel pamoate, pyrvinium pamoate or mebendazole.

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Comments:

Owsik ludzki in Polish.

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