Diminutive Colonic Polyps: An Indication for Colonoscopy Frank G. Opelka, M.D., Alan E. Timmcke, M.D., J. Byron Gathright Jr., M.D., John E. Ray, M.D., Terrell C. Hicks, M.D. From the D e p a r t m e n t o f Colon a n d Rectal Surgery, Ochsner Clinic a n d Alton Ochsner M e d i c a l Foundation, N e w Orleans, Louisiana A prospective study investigated the significance of solitary diminutive colonic polyps discovered during screening flexible sigmoidoscopy. Eighty-two patients with a solitary diminutive polyp (-