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Enterobius vermicularis (Pinworm)

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Enterobius vermicularis (Pinworm)

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High Yield Notes
22 pages
Flashcards

Enterobius vermicularis (Pinworm)

6 flashcards
Questions

USMLE® Step 1 style questions USMLE

2 questions

USMLE® Step 2 style questions USMLE

1 questions
Preview

A 5-year-old boy is brought to his pediatrician because of anal itching, nocturnal restlessness, and irritability for the past two days. Upon examination of the rectal area, small (approximately 8-10 millimeters in length) thread-like, white specimens can be seen near the anus (see image below). The pediatrician performs a cellophane-tape test and sends the tape to the laboratory for microscopic examination. Which of the following is the most likely diagnosis?

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Summary
The pinworm (Enterobius vermicularis) is a parasitic nematode (roundworm) and a common intestinal parasite, transmitted by the fecal-oral route, whose primary symptom is itching in the anal area. Diagnosis is via visualization of eggs with the "scotch tape test." Treatment is with bendazoles.