Fig. 2. A colonoscopy revealed red mucosa and granular erosions with edema from the proximal colon (A) to the distal colon (B). In the hepatic flexure area was the most severe erythema and hemorrhage, friable mucosa and granular erosions with exudate (Case 1): a colonoscopy showed severe redness and hemorrhage in the proximal colon (C) to the distal colon (D) (Case 2).
