Efficacy and Safety of Thermal Ablation for Treatment of Solitary T1N0M0 Papillary Thyroid Carcinoma : A Multicenter Retrospective Study
Background Microwave ablation (MWA) and radiofrequency ablation (RFA) have recently attracted interest as minimally invasive treatment modalities for papillary thyroid carcinoma (PTC). However, the ablation outcomes of T1N0M0 PTC are not well characterized. Purpose To evaluate the efficacy and safety of thermal ablation (MWA or RFA) of solitary T1N0M0 PTC in patients who were ineligible for (due to presence of comorbid cardiovascular disease, renal failure, other malignancy, etc) or who refused surgery. Materials and Methods This was a retrospective multicenter study of 847 patients (660 women) who underwent thermal ablation for PTC (673 T1a, 174 T1b) between March 2015 and March 2020; of these patients, 645 underwent MWA and 202 underwent RFA. The mean age of patients was 46 years ± 11 (standard deviation) (age range, 18-81 years); the mean follow-up time was 22 months ± 13 (range, 6-60 months). Changes in tumor size and volume and the rates of technical success, tumor disappearance, disease progression, and complications were assessed. Results The technical success rate was 100%. Relative to preablation measurements, the maximum diameter and volume of the ablation zone increased during the 1st month after ablation (P < .001), whereas there was no difference by the 3rd month; subsequently, the tumors showed reduction in size at 6, 9, and 12 months (all P < .001). Complete disappearance of tumors occurred in 68% of patients (577 of 847; 69% [466 of 673] in the T1a group vs 64% [111 of 174] in the T1b group; P < .001). The postablation disease progression rate was 1.1% (nine of 847 patients; 0.9% [six of 673 patients] in the T1a group vs 1.7% [three of 174 patients] in the T1b group; P = .54). The overall complication rate was 3.4% (29 of 847 patients; 2.7% [18 of 673 patients] in the T1a group vs 6.3% [11 of 174 patients] in the T1b group; P = .02). Conclusion This multicenter study provided evidence that thermal ablation is an effective and safe treatment option in selected -patients with solitary T1N0M0 papillary thyroid carcinoma. © RSNA, 2021 Online supplemental material is available for this article. See also the editorial by Baek and Cho in this issue.
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E-Artikel |
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2021 |
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| Erschienen: |
2021 |
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Zur Gesamtaufnahme - volume:300 |
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| Enthalten in: |
Radiology - 300(2021), 1 vom: 01. Juli, Seite 209-216 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Cao, Xiao-Jing [VerfasserIn] |
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Journal Article |
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Date Completed 23.09.2021 Date Revised 23.09.2021 published: Print-Electronic CommentIn: Radiology. 2021 Apr 27;:210424. - PMID 33908798 Citation Status MEDLINE |
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| doi: |
10.1148/radiol.2021202735 |
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NLM324582269 |
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| 041 | |a eng | ||
| 100 | 1 | |a Cao, Xiao-Jing |e verfasserin |4 aut | |
| 245 | 1 | 0 | |a Efficacy and Safety of Thermal Ablation for Treatment of Solitary T1N0M0 Papillary Thyroid Carcinoma |b A Multicenter Retrospective Study |
| 264 | 1 | |c 2021 | |
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| 500 | |a Date Completed 23.09.2021 | ||
| 500 | |a Date Revised 23.09.2021 | ||
| 500 | |a published: Print-Electronic | ||
| 500 | |a CommentIn: Radiology. 2021 Apr 27;:210424. - PMID 33908798 | ||
| 500 | |a Citation Status MEDLINE | ||
| 520 | |a Background Microwave ablation (MWA) and radiofrequency ablation (RFA) have recently attracted interest as minimally invasive treatment modalities for papillary thyroid carcinoma (PTC). However, the ablation outcomes of T1N0M0 PTC are not well characterized. Purpose To evaluate the efficacy and safety of thermal ablation (MWA or RFA) of solitary T1N0M0 PTC in patients who were ineligible for (due to presence of comorbid cardiovascular disease, renal failure, other malignancy, etc) or who refused surgery. Materials and Methods This was a retrospective multicenter study of 847 patients (660 women) who underwent thermal ablation for PTC (673 T1a, 174 T1b) between March 2015 and March 2020; of these patients, 645 underwent MWA and 202 underwent RFA. The mean age of patients was 46 years ± 11 (standard deviation) (age range, 18-81 years); the mean follow-up time was 22 months ± 13 (range, 6-60 months). Changes in tumor size and volume and the rates of technical success, tumor disappearance, disease progression, and complications were assessed. Results The technical success rate was 100%. Relative to preablation measurements, the maximum diameter and volume of the ablation zone increased during the 1st month after ablation (P < .001), whereas there was no difference by the 3rd month; subsequently, the tumors showed reduction in size at 6, 9, and 12 months (all P < .001). Complete disappearance of tumors occurred in 68% of patients (577 of 847; 69% [466 of 673] in the T1a group vs 64% [111 of 174] in the T1b group; P < .001). The postablation disease progression rate was 1.1% (nine of 847 patients; 0.9% [six of 673 patients] in the T1a group vs 1.7% [three of 174 patients] in the T1b group; P = .54). The overall complication rate was 3.4% (29 of 847 patients; 2.7% [18 of 673 patients] in the T1a group vs 6.3% [11 of 174 patients] in the T1b group; P = .02). Conclusion This multicenter study provided evidence that thermal ablation is an effective and safe treatment option in selected -patients with solitary T1N0M0 papillary thyroid carcinoma. © RSNA, 2021 Online supplemental material is available for this article. See also the editorial by Baek and Cho in this issue | ||
| 650 | 4 | |a Journal Article | |
| 650 | 4 | |a Multicenter Study | |
| 650 | 4 | |a Research Support, Non-U.S. Gov't | |
| 700 | 1 | |a Wang, Shu-Rong |e verfasserin |4 aut | |
| 700 | 1 | |a Che, Ying |e verfasserin |4 aut | |
| 700 | 1 | |a Liu, Juan |e verfasserin |4 aut | |
| 700 | 1 | |a Cong, Zhi-Bin |e verfasserin |4 aut | |
| 700 | 1 | |a He, Jun-Feng |e verfasserin |4 aut | |
| 700 | 1 | |a Wang, Hong-Ling |e verfasserin |4 aut | |
| 700 | 1 | |a Liu, Geng |e verfasserin |4 aut | |
| 700 | 1 | |a Guo, Jian-Qin |e verfasserin |4 aut | |
| 700 | 1 | |a Hao, Ying |e verfasserin |4 aut | |
| 700 | 1 | |a Wang, Zhong-Hua |e verfasserin |4 aut | |
| 700 | 1 | |a Zhou, Ying |e verfasserin |4 aut | |
| 700 | 1 | |a Jian, Mei |e verfasserin |4 aut | |
| 700 | 1 | |a Shi, Li-Li |e verfasserin |4 aut | |
| 700 | 1 | |a Qi, Lu |e verfasserin |4 aut | |
| 700 | 1 | |a Zhu, Ya-Lin |e verfasserin |4 aut | |
| 700 | 1 | |a Wang, Xue |e verfasserin |4 aut | |
| 700 | 1 | |a Yan, Guo-Zhen |e verfasserin |4 aut | |
| 700 | 1 | |a Shataer, Aini |e verfasserin |4 aut | |
| 700 | 1 | |a Liu, Xiao-Fang |e verfasserin |4 aut | |
| 700 | 1 | |a Wei, Ying |e verfasserin |4 aut | |
| 700 | 1 | |a Zhao, Zhen-Long |e verfasserin |4 aut | |
| 700 | 1 | |a Peng, Li-Li |e verfasserin |4 aut | |
| 700 | 1 | |a Li, Yan |e verfasserin |4 aut | |
| 700 | 1 | |a Yu, Ming-An |e verfasserin |4 aut | |
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