Ileum | Right colon | Transverse colon | Left colon | Rectum | Total | |||
Size of ulcers (diameter) | Absent | 0 | ||||||
Aphthous ulcers, 0.1–0.5 cm | 1 | |||||||
Large ulcers, 0.5–2 cm | 2 | |||||||
Very large ulcers, >2 cm | 3 | |||||||
Ulcerated surface | None | 0 | ||||||
<10% of the segment | 1 | |||||||
10–30% of the segment | 2 | |||||||
>30% of the segment | 3 | |||||||
Affected surface | None | 0 | ||||||
<50% of the segment | 1 | |||||||
50–75% of the segment | 2 | |||||||
>75% of the segment | 3 | |||||||
Presence of narrowings | None | 0 | ||||||
Single, passable by scope | 1 | |||||||
Multiple, passable by scope | 2 | |||||||
Not passable, frank stenosis | 3 | |||||||
Total SES-CD= |