Rutgeerts score is an endoscopic scoring system used to assess postoperative disease recurrence in patients with resected Crohn’s.
| Score | Endoscopic lesions |
| i0 | no lesions |
| i1 | ≤ 5 aphthous ulcers |
| i2 | > 5 aphthous ulcers with normal intervening mucosa or patchy areas of larger lesions or lesions confined to the ileocolic anastomosis |
| i3 | diffuse aphthous ileitis and diffusely inflamed mucosa |
| i4 | diffuse ileal inflammation with large ulcers, nodules and/or stenosis |
Scoring is performed at follow-up colonoscopy 6 months after resection. Hyperaemia and oedema alone are not considered as signs of recurrence. A score ≥i2 defines endoscopic recurrence.
A modified Rutgeerts score subdivides i2 lesions into i2a = lesions confined to the ileocolonic anastomosis (including anastomotic stenosis) and i2b = lesions in the neoterminal ileum with normal intervening mucosa.
Reference: Rutgeerts P, Geboes K, Vantrappen G. et al Predictability of the postoperative course of Crohn’s disease. Gastroenterology 1990/ Photo: Medscape.com