The Valuable Role of Endoscopy in Inflammatory Bowel Disease
Figure 3
Findings in the terminal ileum. An ulcer (black arrow) is seen 3 cm proximal to the ileocecal valve in a patient with Crohn’s disease (a). Erosions in the terminal ileum are shown in a patient who presented with guaiac positive stools and had been taking NSAIDs for back pain (b).