Acoustic Radiation Force Impulse Elastography for Efficacy Evaluation after Hepatocellular Carcinoma Radiofrequency Ablation: A Comparative Study with Contrast-Enhanced Ultrasound
Table 1
ARFI measurements of 14 residual tumors.
Sex
Age
Comorbidity
Tumor size*
Tumor size*
Tumor size*
SWV**
RFA size*
B-mode
VTI
CEUS
after RFA
VTI
M
62
Cirrhosis
2.72
2.89
2.81
x.xx
3.78
M
72
Fibrosis
1.91
2.22
2
x.xx
3.3
M
50
Fibrosis
2.22
2.51
2.5
3.15
3.14
M
72
Cirrhosis
1.58
3.02
2.82
3.97
3.66
M
55
Cirrhosis
2.5
3.52
3.33
3.78
4.24
F
74
Fibrosis
1.98
3
3
2.57
3.63
M
64
Cirrhosis
2.31
3
3
x.xx
3.7
M
73
Fibrosis
2.6
3.13
3
3.12
4.12
M
65
Cirrhosis
3
3.82
3.71
2.47
4.58
F
71
Fibrosis
3
3.61
3.46
2.38
4.26
M
60
Cirrhosis
1.72
2
2
3.21
3.69
M
61
Cirrhosis
2.38
2.92
2.87
x.xx
4.51
M
59
Cirrhosis
3
3.65
3.54
x.xx
4.23
F
54
Cirrhosis
2.6
3.14
3
x.xx
4.6
M: male; F: female; ARFI: acoustic radiation force impulse; HCC: hepatocellular carcinoma; SWV: shear wave velocity; RFA: radiofrequency ablation; VTI: virtual touch tissue imaging; *unit in cm; **unit in m/sec.
