Upping the “ant-e” on endoscopic ant sightings

Published:October 19, 2009DOI:
      A 66-year-old man was referred to us for a screening colonoscopy. The bowel regimen—4 liters of PEG solution and 4 laxative tablets—yielded an excellent preparation. Thus, we were able to instantly identify the small foreign body in the descending colon at 45 cm from the anal verge: an intact, deceased ant (A). Other than a 6-cm, sessile, tubular adenoma in the sigmoid colon, the remainder of the examination was normal. Once recovered from the conscious sedation, the patient disclosed that 2 days before the procedure he had partaken in a family picnic at a riverside park and consumed several plates of potato salad and chicken wings. Presumably, these served as the inanimate vector for the unlucky ant.
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