Table 2

Histological findings

Patient No
I II III IV
Biopsy length (mm)21281825
Portal tracts (n)28181030
Portal tract with interlobular bile duct (n)1111
Inflammatory bile duct lesion (Y/N)YNYN
Bile duct proliferation (0–3)2113
Granulomas (Y/N)YNNN
Cholestasis (0–3)0011
Cu accumulation (0–3)1222
Portal infiltrate (0–4)2112
Piecemeal necrosis (0–4)2101
Fibrosis (0–4)2113