Surgical management of duodenal Crohn's disease

Figure 2 Schematic diagram of pedicled terminal ileum flap closure of the duodenal defect. A: Pedicled terminal ileum (a), ileum (b), proximal ileum (c), transverse colon (d), Crohn's disease lesions (e); B: Duodenal defect repaired with a pedicled terminal ileal flap (a), terminal ileum (c), transverse colon (d); C: The duodenal defect was larger than 3 cm in diameter; D: Pedicled terminal ileum; E: Direct closure by mechanical stapling of duodenal defects was performed when the duodenal defect was ≤ 3 cm in diameter.