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Histological colitis severity
| Parameters | Changes | Scores |
|---|---|---|
| Tissue inflammation | none | 0 |
| inflammatory cells in the lamina propria | 1 | |
| inflammatory cells extending into the submucosa | 2 | |
| inflammatory cells infiltrate Transmural extension | 3 | |
| Tissue damage | None | 0 |
| Discrete lymphoepithelial lesions | 1 | |
| Mucosal erosions | 2 | |
| Discrete deeper structures of the bowel wall | 3 |
