58 year old American man who frequently travels to Guatemala and abroad, here for screening colonoscopy.
Patient was asymptomatic, and visualized here were numerous white worms seen throughout the colon. He will be treated with 3 day course of mebendezole*.

*Treatment could also be done with a single dose of Albendazole (400mg) or mebendazole (100mg), but treatment should be repeated in about 2 weeks to prevent reinfection as eggs can persist in the environment for up to 2 weeks. Household contacts should also be treated.

Addendum: Pathology returned indicating that parasites were confirmed to be Pinworms, including several egg sacs which were recovered in the aspirate.

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