Table 1.
Histopathological changes and grading schemes used to evaluate liver tissues
| Histopathologic changes |
Histopathologic grading |
|||
|---|---|---|---|---|
| 0 | 1 | 2 | 3 | |
| Fatty change |
No fatty change |
< 10% |
10-50% |
> 50% |
| Kupffer cells/HPF |
< 20/HPF |
20-35/HPF |
36-50/HPF |
> 50/HPF |
| Portal tract inflammation |
< 5% of portal tract area |
5-15% of portal tract area |
16-30% of portal tract area |
> 30% of portal tract area |
| Bile duct proliferation |
No proliferation |
Mild proliferation |
Moderate proliferation |
Severe proliferation |
| Sinusoid congestion |
No congestion |
Mild congestion |
Moderate congestion |
Severe congestion |
| Haemozoin deposition | No deposition | Mild deposition | Moderate deposition | Severe deposition |
HPF = high power field (magnification 400x).