Inflammatory cell infiltrate | Score | Intestinal architecture | Score | ||
---|---|---|---|---|---|
Severity | Extent | Epithelial changes | Mucosal architecture | ||
Mild | Mucosa | 1 | Foal erosions | Â | 1 |
Moderate | Mucosa and submucosa | 2 | Erosions |  ± Focal ulcerations | 2 |
Marked | Transmural | 3 |  | Extended ulcerations ± granulation ± pseudopolyps | 3 |