Table 1 Histopathological scoring
Indicators | Score | |||
|---|---|---|---|---|
0 | 1 | 2 | 3 | |
Epithelial integrity | No change | Shedding of < 10 epithelial cells per lesion | Shedding of 11–20 epithelial cells per lesion | Epithelial ulceration |
Central lacteal expansion | No change | Mild | Moderate | Profound |
leukocyte infiltration | < 10 leukocytes per field | 11–15 leukocytes per field | 16–20 leukocytes per field | > 20 leukocytes per field |
Submucosal oedema | No change | Mild | Moderate | Profound |
Mucosal hyperaemia | None | Mild | Moderate | Severe |
Lymphoid necrosis of Peyer’s patches | None | Mild | Moderate | Severe |