for Health Care Providers
Okuda Staging System - Liver Cancer
The Okuda Staging System classifies patients into three stages based on the following variables.
Criterion | Cut-Off |
---|---|
*Largest cross-section area of tumor to largest cross-sectional area of liver | |
Tumor size* | > 50% = "+", < 50% = "-" |
Ascites | Clinically detectable = "+"; undectectable = "-" |
Serum albumin | < 3 g/dl = "+"; > = 3 g/dl "-" |
Serum bilirubin | >3 mg/dl = "+"; < 3 mg/dl = "-" |
Adapted from: Okuda K, Ohtsuki T, Obata H, et al. Natural history of hepatocellular carcinoma and prognosis in relation to treatment. Study of 850 patients. Cancer 1985;56:918-928.