Table 1.
A – Epithelium | |||
---|---|---|---|
| |||
Score | Hyperplasia | Goblet cell depletion | |
0 | None | None | |
1 | Mild (1.5 × normal length) | AND/OR | Mild (25%) |
2 | Moderate (2–3 × normal length) | Moderate (25–50%) | |
3 | Severe (>3 × normal length) | Severe (>50%) |
B – Lamina propria inflammation | |
---|---|
| |
Score | Description |
0 | None – few leukocytes |
1 | Mild – some leukocytes at villi tips OR many lymphoid follicles |
2 | Moderate – marked infiltrate (crypt broadening) |
3 | Severe – dense leukocyte infiltrate |
C – Area affected (% of section) | |
---|---|
| |
Score | Description |
0 | None |
1 | 0–25% |
2 | 25–50% |
3 | >50% |
D – Severe markers | ||||||
---|---|---|---|---|---|---|
| ||||||
Score | Submucosal inflammation | Crypt abscesses | Crypt branching | Ulceration or Extensive fibrosis | ||
0 | None | 0 | No | No | ||
1 | Mild | OR | <5 | No | No | |
2 | Mild | AND | <5 | No | No | |
2 | Severe | OR | >5 | OR | Yes | No |
3 | Severe | AND | >5 | OR | Yes | No |
3 | – | – | – | Yes |