Efficacy of radiofrequency ablation for metastatic papillary thyroid cancer with and without initial biochemical complete status

ObjectiveThe application of radiofrequency ablation (RFA) for recurrent thyroid cancer has been demonstrated to effectively manage lesions at critical locations, such as abutting the trachea, with limited complications. Comprehensive investigation of both biochemical (B) and structural (S) change af...

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Main Authors: Wen-Chieh Chen, Chen-Kai Chou, Yen-Hsiang Chang, Pi-Ling Chiang, Lay-San Lim, Shun-Yu Chi, Sheng-Dean Luo, Wei-Che Lin
Format: Article
Language:English
Published: Frontiers Media S.A. 2022-08-01
Series:Frontiers in Endocrinology
Subjects:
Online Access:https://www.frontiersin.org/articles/10.3389/fendo.2022.933931/full
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author Wen-Chieh Chen
Chen-Kai Chou
Yen-Hsiang Chang
Pi-Ling Chiang
Lay-San Lim
Shun-Yu Chi
Sheng-Dean Luo
Wei-Che Lin
author_facet Wen-Chieh Chen
Chen-Kai Chou
Yen-Hsiang Chang
Pi-Ling Chiang
Lay-San Lim
Shun-Yu Chi
Sheng-Dean Luo
Wei-Che Lin
author_sort Wen-Chieh Chen
collection DOAJ
description ObjectiveThe application of radiofrequency ablation (RFA) for recurrent thyroid cancer has been demonstrated to effectively manage lesions at critical locations, such as abutting the trachea, with limited complications. Comprehensive investigation of both biochemical (B) and structural (S) change after RFA remains limited. We herein present the first single-center experience of RFA for the treatment of locoregional recurrent thyroid cancer in Taiwan.Design23 patients were enrolled, and the treatment responses after RFA were divided into four groups (E, S(+), B(+), and SB(+)), and then compared. The RFA technique, follow-up strategy, changes in pre-and post-operative status, and complications are presented. The volume reduction rate at 1, 3, and 6 months, and the differing responses between lesions abutting/not abutting the trachea are also discussed.ResultsIn patients with pre-RFA structural and biochemical incomplete (SB(+)) status, presenting with lesion with an initial maximum diameter of >3.2cm, a higher rate of structural incomplete status at the 6-month follow-up was noted in ROC analysis, with a sensitivity of 57% and specificity of 91%. Favorable structural remission after RFA was noted, and 60.9% of patients achieved biochemical complete status. No significant correlation was noted between the trachea-abutted lesion number and complete remission (p= 0.474). No significant difference in RFA efficacy was noted between the lesions abutting/not abutting the trachea.ConclusionsThis retrospective study reveals that RFA can achieve both structural and biochemical improvements for locoregionally recurrent thyroid cancer, with a low complication rate. Nearly half of the patients achieved an excellent response after RFA, while a favorable treatment response can be achieved despite the lesion abutting the trachea, with a mean VRR of 84.74%.
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spelling doaj.art-fcacc3c9cc8341369fa64de77d9f3fea2022-12-22T01:31:17ZengFrontiers Media S.A.Frontiers in Endocrinology1664-23922022-08-011310.3389/fendo.2022.933931933931Efficacy of radiofrequency ablation for metastatic papillary thyroid cancer with and without initial biochemical complete statusWen-Chieh Chen0Chen-Kai Chou1Yen-Hsiang Chang2Pi-Ling Chiang3Lay-San Lim4Shun-Yu Chi5Sheng-Dean Luo6Wei-Che Lin7Division of Endocrinology and Metabolism, Department of Internal Medicine, Kaohsiung Chang Gung Memorial Hospital, Kaohsiung, TaiwanDivision of Endocrinology and Metabolism, Department of Internal Medicine, Kaohsiung Chang Gung Memorial Hospital, Kaohsiung, TaiwanDepartment of Nuclear Medicine, Kaohsiung Chang Gung Memorial Hospital, Kaohsiung, TaiwanDepartment of Diagnostic Radiology, Kaohsiung Chang Gung Memorial Hospital, Kaohsiung, TaiwanDivision of Endocrinology and Metabolism, Department of Internal Medicine, Kaohsiung Chang Gung Memorial Hospital, Kaohsiung, TaiwanDivision of General Surgery and Department of Surgery, Kaohsiung Chang Gung Memorial Hospital, Kaohsiung, TaiwanDepartment of Otolaryngology, Kaohsiung Chang Gung Memorial Hospital, Kaohsiung, TaiwanDepartment of Diagnostic Radiology, Kaohsiung Chang Gung Memorial Hospital, Kaohsiung, TaiwanObjectiveThe application of radiofrequency ablation (RFA) for recurrent thyroid cancer has been demonstrated to effectively manage lesions at critical locations, such as abutting the trachea, with limited complications. Comprehensive investigation of both biochemical (B) and structural (S) change after RFA remains limited. We herein present the first single-center experience of RFA for the treatment of locoregional recurrent thyroid cancer in Taiwan.Design23 patients were enrolled, and the treatment responses after RFA were divided into four groups (E, S(+), B(+), and SB(+)), and then compared. The RFA technique, follow-up strategy, changes in pre-and post-operative status, and complications are presented. The volume reduction rate at 1, 3, and 6 months, and the differing responses between lesions abutting/not abutting the trachea are also discussed.ResultsIn patients with pre-RFA structural and biochemical incomplete (SB(+)) status, presenting with lesion with an initial maximum diameter of >3.2cm, a higher rate of structural incomplete status at the 6-month follow-up was noted in ROC analysis, with a sensitivity of 57% and specificity of 91%. Favorable structural remission after RFA was noted, and 60.9% of patients achieved biochemical complete status. No significant correlation was noted between the trachea-abutted lesion number and complete remission (p= 0.474). No significant difference in RFA efficacy was noted between the lesions abutting/not abutting the trachea.ConclusionsThis retrospective study reveals that RFA can achieve both structural and biochemical improvements for locoregionally recurrent thyroid cancer, with a low complication rate. Nearly half of the patients achieved an excellent response after RFA, while a favorable treatment response can be achieved despite the lesion abutting the trachea, with a mean VRR of 84.74%.https://www.frontiersin.org/articles/10.3389/fendo.2022.933931/fullmetastasis thyroid cancerultrasoundradiofrequency ablationtracheal invasionbiochemical incomplete response
spellingShingle Wen-Chieh Chen
Chen-Kai Chou
Yen-Hsiang Chang
Pi-Ling Chiang
Lay-San Lim
Shun-Yu Chi
Sheng-Dean Luo
Wei-Che Lin
Efficacy of radiofrequency ablation for metastatic papillary thyroid cancer with and without initial biochemical complete status
Frontiers in Endocrinology
metastasis thyroid cancer
ultrasound
radiofrequency ablation
tracheal invasion
biochemical incomplete response
title Efficacy of radiofrequency ablation for metastatic papillary thyroid cancer with and without initial biochemical complete status
title_full Efficacy of radiofrequency ablation for metastatic papillary thyroid cancer with and without initial biochemical complete status
title_fullStr Efficacy of radiofrequency ablation for metastatic papillary thyroid cancer with and without initial biochemical complete status
title_full_unstemmed Efficacy of radiofrequency ablation for metastatic papillary thyroid cancer with and without initial biochemical complete status
title_short Efficacy of radiofrequency ablation for metastatic papillary thyroid cancer with and without initial biochemical complete status
title_sort efficacy of radiofrequency ablation for metastatic papillary thyroid cancer with and without initial biochemical complete status
topic metastasis thyroid cancer
ultrasound
radiofrequency ablation
tracheal invasion
biochemical incomplete response
url https://www.frontiersin.org/articles/10.3389/fendo.2022.933931/full
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