Figure 3From: An adult patient with Henoch-Schönlein purpura and non-occlusive mesenteric ischemiaColonoscopy findings. Colonoscopy images showing patchy erythema in the sigmoid colon (A) and rectum (B) on day 4, before treatment began. (C, D) Colonoscopy images showing fresh bleeding in the ascending sigmoid colon on day 29, after treatment with steroids and cyclophosphamide.Back to article page