Contrast-enhanced sonography versus biopsy for the differential diagnosis of thrombosis in hepatocellular carcinoma patients

Table 2 Principal clinical/ultrasound features of patients

Clinical data	Results
Child A/B	44/64
Etiology
HCV related	58
HBV related	23
Alcohol related	12
Mixed etiology	15
Number of HCC nodules
Single nodule	10
Median size	44 mm (range 40-75 mm)
Two nodules	22
Median size	41 mm (range 33-68 mm)
Three nodules	76
Median size	39 mm (range 32-67 mm)
Topography of portal vein thrombosis
In right or left but not in the main portal vein	80 (74%)
In main, right and left portal vein	14 (13%)
In right or left and main portal vein	12 (11%)
In main portal vein	2 (1.8%)
Complete or incomplete vessel occlusion of on power-color-Doppler
A complete occlusion of the portal vessel	99 (91%)
Incomplete thrombosis lumen	9 (9%)