Crohn's disease confined to the duodenum: A case report

Figure 1 Initial upper endoscopic findings. A, B: Multiple early stage ulcers in the bulb of the duodenum; C: Few acute to healing stage erosions on the great curvature side of the lower body of the stomach; D: Hemorrhagic spots in the fundus of the stomach.

Figure 2 Repeat upper endoscopic findings after six weeks of oral pantoprazole. A, B: Multiple progressive ulcers and erosions with surrounding mucosal edematous changes in the bulb and second portion of the duodenum; C: Completely healed gastric lesions.

Figure 3 Histologic findings of an ulcerative lesion in the duodenal bulb. A, B: Erosions and infiltration of inflammatory cells (mainly plasma cells).

Figure 4 Follow-up upper endoscopic findings in the duodenum after four weeks of oral prednisolone. A, B: Multiple healed ulcers and erosions in the bulb and second portion of the duodenum.