Parameter | Scoring (0–20) |
---|---|
Percentage of area involved | 0=normal |
1=<10% | |
Crypt loss | 2=10% |
3=10–15% | |
4=15–50% | |
Erosions | 0=intact epithelium |
1=involvement of the lamina propria | |
2=involvement of the submucosa | |
3=transmural ulceration | |
Number of follicle aggregates | 0=absent |
Oedema | 1=weak |
Infiltration of mononuclear and polymorphonuclear cells | 2=moderate |
3=severe |