Table 2.
The criteria of a histological score.
| Categories | Feature | Score |
|---|---|---|
| Architectural changes | No change | 0 |
| Mild abnormality in mucosa | 1 | |
| Moderate diffuse or multifocal abnormalities in submucosa | 2 | |
| Severe diffuse or multifocal abnormalities | 3 | |
| Peritonitis | 4 | |
|
| ||
| Inflammatory infiltrate | No change | 0 |
| Mild but unequivocal increase | 1 | |
| Moderate change | 2 | |
| Marked change | 3 | |
| Severe increase | 4 | |
|
| ||
| Lamina propria leukocytes | No changes | 0 |
| Mild increase | 1 | |
| Moderate increase | 2 | |
| Marked increase | 3 | |
| Severe increase | 4 | |
|
| ||
| Intraepithelial neutrophils | No changes | 0 |
| 25% | 1 | |
| 50% | 2 | |
| 75% | 3 | |
| 100% | 4 | |
|
| ||
| Erosion or ulceration | No change | 0 |
| Erosion focally stripped | 1 | |
| Marked erosion | 2 | |
| Severe erosion | 3 | |
| Ulceration or granulation tissue | 4 | |
|
| ||
| Crypt destruction | No change | 0 |
| Blunted crypts | 1 | |
| Marked attenuation | 2 | |
| Crypt necrosis | 3 | |
| No architecture | 4 | |