Week 22: Case 5

1. Presented by John Yardley, M.D. and Michael Torbenson, M.D. and prepared by Angelique W. Levi, M.D.

A 62-year-old man underwent screening colonoscopy. The patient was in good health and asymptomatic. Colonoscopy was performed following bowel preparation with oral sodium phosphate, "Phospho-Soda". No polyps were seen, but a small aphthoid ulcer was noted in the rectum and was biopsied.