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Fig. 4A. —77-year-old woman with chronic type C viral hepatitis and moderately
differentiated 6.8-cm hepatocellular carcinoma showing moderate vascular
endothelial growth factor (VEGF) expression, isointensity on in-phase
T1-weighted, homogeneous moderate hyperintensity on T2-weighted, and
heterogeneous, moderate enhancement on hepatic arterial dominant phase images.
Child-Pugh grade was A. Schematic shows electrophoretic bands and
corresponding histograms in this patient. VEGF solution (1.25 mg/mL) was used
for calibration. Area of histogram was 312 pixels for calibration band, 1,654
pixels for hepatocellular carcinoma band (HCC), and 738 pixels for surrounding
liver band. VEGF expression index (VEGFIND) was 5.30 in
hepatocellular carcinoma and 2.37 in surrounding liver, giving
VEGFIND difference of 2.93.
