Table 1 Histological and ultrasonographic grading of hepatic steatosis

Grade 0 steatosis

Less than 5% of hepatocytes contain fat

Grade 1 steatosis

6–33% of hepatocytes contain fat

Hepatic echogenicity is more than the renal cortex.

Grade 2 steatosis

34–66% of hepatocytes contain fat

Liver echogenicity obscures echogenic wall of portal venous branches.

Grade 3 steatosis

> 66% of hepatocytes contain fat

Diaphragmatic wall and portal venous walls are not visible due to increased hepatic echogenicity.