Retrospective Analysis of the Efficacy and Safety of Ultrasound-Guided Radiofrequency Ablation in the Treatment of Papillary Thyroid Microcarcinoma: A Follow-Up Study of Continuous Postoperative Surveillance and Large-Sample Data
Table 3
Tumor volume, VRR, and tumor disappearance after RFA in the 358 patients with unifocal PTMC.
Follow-up period
Tumor volume
VRR (%)
Disappearance
Max (mm3)
Min (mm3)
Mean ± SD
Max
Min
Mean ± SD
Cases
Rate (%)
1 month
2023.44
0
389.24 ± 331.19
<0.001
100
−8576.77
−745.69 ± 1012.69
6/358
1.68
3 months
903.1
0
113.83 ± 152.66
<0.001
100
−3021.68
−150.35 ± 395.5
35/358
9.78
6 months
775.83
0
31.27 ± 72.03
<0.001
100
−1542.52
46.47 ± 138.74
157/358
43.85
12 months
276.33
0
4.61 ± 22.2
<0.001
100
−133.28
92.95 ± 27.88
296/358
82.68
18 months
133.25
0
1.76 ± 11.67
<0.001
100
15.95
97.78 ± 10.99
250/270
92.59
24 months
9.46
0
0.28 ± 1.36
<0.001
100
68.23
99.27 ± 3.82
197/206
95.63
Note. was a statistical result of the comparison between the volume of ablated tissue at each follow-up period and the initial volume before RFA.
