Characterization of Focal Liver Lesions Indistinctive on B Mode Ultrasound: Benefits of Contrast-Enhanced Ultrasound

Table 2

Baseline characteristics of FLL included.

Characteristic	FLL lesions
	Diameter (mm)
Mean ± SD	14.6 ± 6
Range	6–30
≤20 mm (%)	63 (90%)
20–30 mm (%)	7 (10%)
Location
Left lobe, (%)	18 (25.7%)
Right lobe, (%)	41 (58.5%)
Left & right lobe, (%)	11 (15.8%)
Lesion number, (%)
	52 (74.3%)
	12 (17.1%)
	6 (8.6%)
Final diagnosis, (%)
Primary HCC	35 (50%)
Recurrent HCC	20 (28.5%)
Metastasis	15 (21.4%)

FLL: focal liver lesion.