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

Table 1

Baseline characteristics of patients.

Characteristic	Patients
	Age (year)
Mean ± SD	55 ± 13
Range	22–84
Male/female	46/24
Underlying liver diseases
Cirrhosis (viral/alcohol)	27 (25/2)
Fibrosis (viral/alcohol)	26 (25/1)
Previous tumor history	15
None	2
ΑFP (ng/mL)
≤20, (%)	46 (65.7%)
21–200, (%)	17 (24.3%)
>200, (%)	7 (10%)
CA 19-9 (μ/mL)
≤4.9, (%)	6 (8.5%)
>4.9, (%)	64 (91.5%)
Final diagnosis
Liver surgery	37
Core needle biopsy	6
MR images follow-up	27

AFP: alpha-fetoprotein; CA19-9: carbohydrate antigen 19-9; HCC: hepatocellular carcinoma; : number.