Table 2b Staging for NAFLD

From: Pathology of fatty liver disease

Stage

Histologic description

0

No fibrosis

1a

Zone 3 perisinusoidal fibrosis, requires trichrome stain to identify

1b

Zone 3 perisinusoidal fibrosis, seen easily on H&E

1c

Periportal/portal fibrosis only

2

Zone 3 plus portal/periportal fibrosis

3

As above with bridging fibrosis

4

Cirrhosis

  1. Adapted from Kleiner et al.33
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