Fig. 1

Clinical presentation. A, Anterior abdomen showing the expanded abdominal wall defect containing colostomy and mucus fistula (arrow). Note formation of multiple new enterocutaneous fistulae (arrowheads). B, Endoscopic appearance of the colon before colectomy showing a large ulcer occupying approximately one third of the lumenal surface. C, Terminal ileum 3 weeks postcolectomy, normal mucosa. D, Terminal ileum during second postcolectomy flare. E, Terminal ileum 3 weeks after panel D, after initiation of bowel rest, nonabsorbed antibiotics, and tacrolimus.