Endoscopic evaluation of postoperative Crohn’s disease recurrence at ileocolic anastomosis: Rutgeerts score359
| Endoscopic remission | i0: no lesions in neo-terminal ileum |
| i1: ≤5 aphthous ulcers | |
| Endoscopic recurrence | i2: >5 aphthous ulcers with normal intervening mucosa, skip areas of larger lesions confined to ileocolonic anastomosis |
| i3: Diffuse aphthous ileitis with diffusely inflamed mucosa | |
| i4: Diffuse inflammation with large ulcers, nodules and/or stenosis |