Comprehensive treatment and a rare presentation of Cronkhite–Canada syndrome: Two case reports and review of literature

Figure 4 Colonoscopy of Patient 1. A-C: The mucosa of the large intestine was rough, with nodular and polypoid protuberances of different shapes and sizes. The mucosa at the protuberances was hyperemic and edematous, and the vascular texture of the intestinal wall between the protuberances disappeared and turned white.