Topic Highlight
Copyright ©2014 Baishideng Publishing Group Inc.
World J Gastroenterol. Jul 7, 2014; 20(25): 8024-8032
Published online Jul 7, 2014. doi: 10.3748/wjg.v20.i25.8024
Table 4 Fibrosis staging systems
StageMetavirKleiner
0No fibrosisNo fibrosis
1Stellate enlargement of portal tract, but without septa formationPerisinusoidal or periportal
1A: Mild, zone 3, perisinusoidal
1B: Moderate, zone 3, perisinusoidal
1C: Portal/periportal
2Enlargement of portal tract but with rare septa formationPerisinusoidal and portal/periportal
3Numerous septa without fibrosisBridging fibrosis
4CirrhosisCirrhosis