Fig. 2

Surgical intervention in a patient with small-bowel stricture. a. Abdominal computed tomography showing a stricture in the distal ileum. b. Gross findings after bowel resection with multiple stricture sites. c. Surgical resection exposing the inside of the small bowel. d. Capsule endoscopy image showing a semi-circular ulcer with active hemorrhage. e. Histologic findings show ulceration including diffuse loss of villi, mucosal and submucosal neutrophilic exudates, and transmural inflammation (Hematoxylin and Eosin × 40)