Table 2.
Histopathological changes and grading criteria for pancreatic tissue evaluation.
| Histopathological criteria | Histopathological grading | |||
|---|---|---|---|---|
| 0 | 1 | 2 | 3 | |
| Presence of PRBCs | None | <40%/HPF | 41–70%/HPF | 71–100%/HPF |
| Oedema | None | interlobular septum | interglandular septum, mild | interglandular septum, severe |
| Haemorrhage | None | interlobular septum | interglandular septum, mild | interglandular septum, severe |
| Inflammatory infiltration | None | in 1–2 lobules | in 3–4 lobules | in >4 lobules |
| Acinar necrosis | None | in 1–2 lobules | in 3–4 lobules | in >4 lobules |
| Fat necrosis | None | mild | moderate | severe |
| Fibrosis | None | in 1–2 lobules | in 3–4 lobules | in >4 lobules |
| Total score: (3) + (3) + (3) + (3) + (3) + (3) + (3) = 21 | ||||