Table 3.
Histopathological scores.
| Score | Inflammation | Infiltration neutrophils + lympho-histiocytes | Crypt damage | Crypt abscess | Sub-mucosal edema | Loss of goblet cells | Reactive epithelial hyperplasia |
|---|---|---|---|---|---|---|---|
| 0 | None | None | None | None | None | None | None |
| 1 | Mucosa | Focal | Basal 1/3 | Focal | Focal | Focal | Focal |
| 2 | Mucosa + submucosa | Multifocal | Basal 2/3 | Multifocal | Multifocal | Multifocal | Multifocal |
| 3 | Mucosa + submucosa + muscle layer | Diffuse | Entire crypt damage | – | Diffuse | Diffuse | Diffuse |
| 4 | Transmural | – | Crypt damage + ulceration | – | – | – | – |