Endoscopic identification of Peyer’s patches of the terminal ileum in a patient with Crohn’s disease

Figure 1 Endoscopic findings. A: Endoscopic view showing an ulceration of the terminal ileum. B: Endoscopic view showing granularly elevated mucosa consistent with the lymphoid follicle type of the Payer^’s patches. C: Magnifying endoscopy showing the irregular villi and the dome.

Figure 2 Histological finding of a biopsy specimen obtained from the Peyer’s patches in the terminal ileum disclosing the presence of a microgranuloma and lymphoid hyperplasia.

Figure 3 Scanning electron microscopy of the Peyer’s patches demonstrating M cells with microfolds.