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Definition
The Ishak scale assesses liver fibrosis in 7 categories, ranging from normal to cirrhosis.
0 - No fibrosis (normal)
1 - Fibrous expansion of some portal areas (+/-) short fibrous septa
2 - Fibrous expansion of most portal areas (+/-) short fibrous septa
3 - Fibrous expansion of most portal areas with occasional portal to portal (P-P) bridging
4 - Fibrous expansion of portal areas with marked bridging (P-P) as well as portal to central (P-C)
5 - Marked bridging (P-P and/or P-C), with occasional nodules (incomplete cirrhosis)
6 - Cirrhosis, probably or definite
0 - No fibrosis (normal)
1 - Fibrous expansion of some portal areas (+/-) short fibrous septa
2 - Fibrous expansion of most portal areas (+/-) short fibrous septa
3 - Fibrous expansion of most portal areas with occasional portal to portal (P-P) bridging
4 - Fibrous expansion of portal areas with marked bridging (P-P) as well as portal to central (P-C)
5 - Marked bridging (P-P and/or P-C), with occasional nodules (incomplete cirrhosis)
6 - Cirrhosis, probably or definite
Resource
Alternate Names
None
Abstractor Notes
The Ishak (fibrosis) score is collected for the Liver and Intrahepatic Bile Duct tumors.
Scores 0-4 are none to moderate fibrosis and scores 5-6 are severe fibrosis or cirrhosis.
Scores 0-4 are none to moderate fibrosis and scores 5-6 are severe fibrosis or cirrhosis.
Histology
None
Primary Sites
None
