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Table 2 Ultrasound findings compared to histological diagnosis

From: Ultrasound imaging in an experimental model of fatty liver disease and cirrhosis in rats

Histologic Diagnosis
US findings Normal (n = 10) Mild steatosis without fibrous septa (n = 3) Mild to marked hepatic steatosis with various degrees of fibrosis but intact liver parenchymal architecture (n = 10) Macronodular cirrhosis with hepatic steatosis(n = 17)
Pattern 1 L-Echo
L-Echo < R-Echo
10 3 0 0
Pattern 1 L-Echo
L-Echo ≥ R-Echo
0 0 0 0
Pattern 2, 3 or 4 L-Echo
L-Echo < R-Echo
0 0 0 0
Pattern 2 L-Echo
L-Echo ≥ R-Echo
0 0 6 0
Pattern 3 L-Echo
L-Echo ≥ R-Echo
0 0 4 5
Pattern 4 L-Echo
L-Echo ≥ R-Echo
0 0 0 12
Liver nodules 0 0 0 3 (regenerative nodules)
PVD < 2.1 mm 10 3 9 0
PVD ≥ 2.1 mm 0 0 1 17
Presence of ascites 0 0 0 5
  1. L-Echo: Liver echogenicity; Pattern 1: normal echogenicity, pattern 2: diffusely increased echogenicity, pattern 3: slightly coarse echogenicity, and pattern 4: coarse and heterogeneous echogenicity; R-Echo: Renal cortex echogenicity; PVD: Portal Vein Diameter.