Histological scoring: in house system
| Feature | Points |
|---|---|
| Lobular infiltrate | |
| None/virtually absent | 0 |
| Mild (isolated lymphocytes) | 1 |
| Moderate (aggregates and/or rows of lymphocytes) | 2 |
| Severe (aggregates of lymphocytes and focal necrosis) | 3 |
| Councilman bodies (CBs) | |
| Number of CBs/10 mm biopsy length ≤ 1 | 0 |
| Number of CBs/number of portal tracts < 0.3 | 1 |
| Nber of CBs/number of portal tracts = 0.3–0.7 | 2 |
| Number of CBs/number of portal tracts > 0.7 | 3 |
| Fibrosis | |
| None | 0 |
| Mild fibrous extension of portal tracts | 1 |
| Porto-portal septa in less than half of the portal tracts | 2 |
| Porto-portal septa in more than half of the portal tracts | 3 |
| Probable or definite cirrhosis | 4 |
| Steatosis | |
| None | 0 |
| Slight | 1 |
| Moderate to severe | 2 |
| Macrophage reaction | |
| Virtually absent | 0 |
| Mild | 1 |
| Moderate | 2 |
| Severe | 3 |