Table 2.

Histopathologic scoring of liver injury

	Parameters	Score
1	Necrosis	0, 1, 2, 3
2	Regenerative activity	0, 1, 2, 3
3	Portal PMNL infiltration	0, 1, 2, 3
4	Portal MNL infiltration	0, 1, 2, 3
5	Ductular proliferation	0, 1, 2, 3
6	Fibroblastic activity	0, 1, 2, 3
7	Kupffer cell abnormalities	0, 2
8	Sinusoidal PMNL infiltration	0, 2
9	Sinusoidal MNL infiltration	0, 2
10	Portal vascular congestion	0, 2
11	Sinusoidal vascular congestion	0, 2
12	Portal vascular thrombosis	0, 2
13	Sinusoidal vascular thrombosis	0, 2
14	Portal and central venous phlebitis	0, 2
15	Arterial wall changes	0, 1, 2, 3
16	Hydropic degeneration	0, 1, 2, 3
17	Decrease in hepatocyte glycogen content	0, 2

PMNL: Polymorphonuclear leukocytes; MNL: Mononuclear leukocytes.