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Zhang J, Liu J, Yi W, Liu Y, Liu Y, Xu J. Thermal ablation for multifocal papillary thyroid microcarcinoma: a systematic review and meta-analysis. Endocrine 2024; 85:35-43. [PMID: 38319587 DOI: 10.1007/s12020-024-03710-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/28/2023] [Accepted: 01/21/2024] [Indexed: 02/07/2024]
Abstract
BACKGROUND Clinical studies have indicated the potential safety and efficacy of thermal ablation (TA) in treating multifocal papillary thyroid microcarcinoma (MPTMC). However, a comprehensive systematic evaluation of its effectiveness was still lack. METHODS PubMed, EMBASE and Cochrane Library databases were systematically searched for studies published until October 23, 2023, that reported on the effectiveness of thermal ablation in the management of MPTMC. Data extraction and methodological quality assessment were independently conducted by two reviewers following the guidelines outlined in the PRISMA. RESULTS This systematic review and meta-analysis identified 389 tumors in 169 patients from four studies. After treatment with different TA, the combined rate of complete disappearance of MPTMC was 92.8% [95% confidence interval (CI): 68.2-100] and the combined rate of overall complications was 4.4% [95% CI: 1.5-8.5]. During the follow-up period, local tumor recurrence was observed in only 2 patients with a combined rate of 0.2% [95% CI: 0.0-2.6]; lymph node metastasis (LNM) was observed in 3 patients with a combined rate of 1.2% [95% CI: 0-4.1]. Additionally, 6 patients developed new PTMC. It is noteworthy that no patients were observed to develop distant metastases during the follow-up period, and no patients had delayed surgery after underwent ablation. CONCLUSIONS For patients grappling with MPTMC, TA emerges as an excellent approach for achieving localized tumor control. Nonetheless, achieving favorable outcomes necessitates stringent inclusion criteria and a profound level of expertize.
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Affiliation(s)
- Junping Zhang
- Department of Endocrine and Metabolism, The First Affiliated Hospital, Jiangxi Medical College, Nanchang University, Nanchang, China
| | - Jiarong Liu
- Department of Endocrine and Metabolism, The First Affiliated Hospital, Jiangxi Medical College, Nanchang University, Nanchang, China
| | - Wanting Yi
- Department of Endocrine and Metabolism, The First Affiliated Hospital, Jiangxi Medical College, Nanchang University, Nanchang, China
| | - Yanling Liu
- Department of Endocrine and Metabolism, The First Affiliated Hospital, Jiangxi Medical College, Nanchang University, Nanchang, China
| | - Ying Liu
- Department of Endocrine and Metabolism, The First Affiliated Hospital, Jiangxi Medical College, Nanchang University, Nanchang, China
- Jiangxi Clinical Research Center for Endocrine and Metabolic Disease, Nanchang, Jiangxi, China
- Jiangxi Branch of National Clinical Research Center for Metabolic Disease, Nanchang, Jiangxi, China
| | - Jixiong Xu
- Department of Endocrine and Metabolism, The First Affiliated Hospital, Jiangxi Medical College, Nanchang University, Nanchang, China.
- Jiangxi Clinical Research Center for Endocrine and Metabolic Disease, Nanchang, Jiangxi, China.
- Jiangxi Branch of National Clinical Research Center for Metabolic Disease, Nanchang, Jiangxi, China.
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Zhao GZ, Zhang MB. Ultrasound-guided radiofrequency ablation for the treatment of papillary thyroid carcinoma: a review of the current state and future perspectives. Ultrasonography 2024; 43:79-87. [PMID: 38310872 PMCID: PMC10915119 DOI: 10.14366/usg.23091] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/15/2023] [Revised: 12/01/2023] [Accepted: 12/11/2023] [Indexed: 02/06/2024] Open
Abstract
Papillary thyroid carcinoma (PTC) is a highly prevalent cancer that typically exhibits indolent behavior and is associated with a favorable prognosis. The treatment of choice is surgical intervention; however, this approach carries the risk of complications, including scarring and loss of thyroid function. Although active surveillance can mitigate the risk of PTC overtreatment, the possibility of tumor growth and metastasis can elicit anxiety among patients. Ultrasoundguided thermal ablation has emerged as a safe and effective alternative for individuals who are ineligible for or decline surgery. This article provides a review of the clinical research on radiofrequency ablation as a treatment for PTC, offering a thorough examination of its efficacy, safety, and future perspectives.
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Affiliation(s)
- Guo-zheng Zhao
- Department of Ultrasound, First Medical Center, Chinese PLA General Hospital, Beijing, China
- Department of Ultrasound, Air Force Medical Center, Beijing, China
| | - Ming-bo Zhang
- Department of Ultrasound, First Medical Center, Chinese PLA General Hospital, Beijing, China
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Li X, Yan L, Xiao J, Li Y, Yang Z, Zhang M, Luo Y. Follow-up strategy of radiofrequency ablation for papillary thyroid microcarcinoma: defining a response-to-ablation system. Eur Radiol 2024; 34:761-769. [PMID: 37597031 DOI: 10.1007/s00330-023-10022-6] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2023] [Revised: 04/24/2023] [Accepted: 06/12/2023] [Indexed: 08/21/2023]
Abstract
OBJECTIVE To define a response-to-ablation system based on dynamic risk stratification proposed by the 2015 American Thyroid Association guidelines for predicting clinical outcomes and guiding follow-up strategies for patients with low-risk papillary thyroid microcarcinoma (PTMC) who underwent radiofrequency ablation (RFA). METHODS This retrospective study reviewed patients with low-risk PTMC who underwent RFA between 2014 and 2018. We classified patients into three groups based on their response to therapy at the 1-year follow-up: complete, indeterminate, and incomplete. The primary endpoints were local tumor progression (LTP) and disease-free survival (DFS). RESULTS Among the 748 patients (mean age, 43.7 years ± 9.8; 586 women), 4.0% (30/748) had LTP during a median follow-up of 5 years. The response was complete in 80.2% (600/748) of the patients, indeterminate in 18.1% (135/748), and incomplete in 1.7% (13/748). The LTP rate in the final follow-up was 1% (6/600), 8.1% (11/135), and 100% (13/13), respectively. The risk of LTP was significantly different in the incomplete response group (HR, 1825.82; 95% CI: 458.27, 7274.36; p < 0.001) and indeterminate response group (HR, 8.12; 95% CI: 2.99, 22.09; p < 0.001) than in the complete response group. There were significant differences in DFS among groups (p < 0.001). The proportion of variation explained and C-index of the system was high (27.66% and 0.79, respectively). CONCLUSIONS We defined a response-to-ablation system that provides a new paradigm for the management of patients with PTMC who underwent RFA. Our data confirm that the system can effectively predict the risk of LTP and guide ongoing follow-up recommendations. KEY POINTS • The response-to-ablation system can classify patients with low-risk PTMC who underwent RFA into complete, indeterminate, or incomplete response categories. • Results suggest that, in this population, this system can identify three separate cohorts of patients who have significantly different clinical outcomes. • The response-to-ablation system will help better tailor the ongoing follow-up recommendations.
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Affiliation(s)
- Xinyang Li
- School of Medicine, Nankai University, No.94 Weijin Road, Nankai District, 300071, Tianjin, China
- Department of Ultrasound, the First Medical Center of Chinese PLA General Hospital, No. 28 Fuxing Road, Haidian District, 100853, Beijing, China
| | - Lin Yan
- Department of Ultrasound, the First Medical Center of Chinese PLA General Hospital, No. 28 Fuxing Road, Haidian District, 100853, Beijing, China
| | - Jing Xiao
- Department of Ultrasound, the First Medical Center of Chinese PLA General Hospital, No. 28 Fuxing Road, Haidian District, 100853, Beijing, China
| | - Yingying Li
- Department of Ultrasound, the First Medical Center of Chinese PLA General Hospital, No. 28 Fuxing Road, Haidian District, 100853, Beijing, China
| | - Zhen Yang
- Department of Ultrasound, the First Medical Center of Chinese PLA General Hospital, No. 28 Fuxing Road, Haidian District, 100853, Beijing, China
| | - Mingbo Zhang
- Department of Ultrasound, the First Medical Center of Chinese PLA General Hospital, No. 28 Fuxing Road, Haidian District, 100853, Beijing, China.
| | - Yukun Luo
- School of Medicine, Nankai University, No.94 Weijin Road, Nankai District, 300071, Tianjin, China.
- Department of Ultrasound, the First Medical Center of Chinese PLA General Hospital, No. 28 Fuxing Road, Haidian District, 100853, Beijing, China.
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Xiao J, Yan L, Li Y, Li X, Yang Z, Zhang M, Luo Y. Radiofrequency ablation for papillary thyroid cancer located in isthmus: comparison with that originated in thyroid lobe. Int J Hyperthermia 2023; 40:2266668. [PMID: 37940133 DOI: 10.1080/02656736.2023.2266668] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/19/2023] [Accepted: 09/29/2023] [Indexed: 11/10/2023] Open
Abstract
PURPOSE To analyze the outcomes of radiofrequency ablation (RFA) for isthmus papillary thyroid cancer (PTC) versus PTC originating from the lobes. METHODS Patients with solitary low-risk PTC treated with RFA between July 2014 and December 2019 were retrospectively reviewed. This study was approved by our institutional review board. Of the 562 patients, 104 and 458 had PTCs located in the thyroid isthmus and thyroid lobes, respectively. Local tumor progression (LTP), LTP-free survival (LTPFS), changes in tumor volume, and complications were compared between the two groups using propensity-score matching (PSM). RESULTS The isthmic and lobar groups showed no significant differences in LTP (2.9% vs. 3.8%), new PTC (2.9% vs. 2.9%), persistent lesions (0.0% vs. 0.2%), or LTPFS after PSM. Before PSM, the two groups showed significant differences in the volume reduction ratio (VRR) of the ablated tumors at 1, 3, 24, 30, and 48 months after RFA, but no differences between the two groups were observed in tumor volume, VRR, or disappearance rate after PSM (p > .05). One patient in the isthmic group presented with coughing, while another complained of hoarseness. Complications did not differ significantly between the two groups (p > .05). CONCLUSIONS The outcomes of RFA for patients with low-risk PTC in the thyroid isthmus and thyroid lobes were similar. Therefore, RFA may serve as an alternative treatment option for patients with low-risk isthmic PTC.
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Affiliation(s)
- Jing Xiao
- Department of Ultrasound, the First Medical Center of Chinese PLA General Hospital, Beijing, P.R. China
| | - Lin Yan
- Department of Ultrasound, the First Medical Center of Chinese PLA General Hospital, Beijing, P.R. China
| | - Yingying Li
- Department of Ultrasound, the First Medical Center of Chinese PLA General Hospital, Beijing, P.R. China
| | - Xinyang Li
- Department of Ultrasound, the First Medical Center of Chinese PLA General Hospital, Beijing, P.R. China
| | - Zhen Yang
- Department of Ultrasound, the First Medical Center of Chinese PLA General Hospital, Beijing, P.R. China
| | - Mingbo Zhang
- Department of Ultrasound, the First Medical Center of Chinese PLA General Hospital, Beijing, P.R. China
| | - Yukun Luo
- Department of Ultrasound, the First Medical Center of Chinese PLA General Hospital, Beijing, P.R. China
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Ren Y, Lu C, Xu S. Ultrasound-guided thermal ablation for papillary thyroid microcarcinoma: the devil is in the details. Int J Hyperthermia 2023; 40:2278823. [PMID: 37940134 DOI: 10.1080/02656736.2023.2278823] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2023] [Accepted: 10/16/2023] [Indexed: 11/10/2023] Open
Abstract
Thermal ablation (TA) has harvested favorable outcomes in treating low-risk papillary thyroid microcarcinoma (PTMC). Preoperative assessment, intraoperative procedures and postoperative follow-up are all closely linked with the success and safety of TA on PTMC. However, many details in these aspects have not been systematically reviewed. This review firstly described the influence of preoperative assessment, especially for the risk of lymph node metastasis (LNM), as well as the molecular testing on the selection of TA for PTMC. Besides, we also summarized the experiences in treating special PTMC cases by TA, like multifocal lesions, PTMC located in the isthmus or adjacent to the dorsal capsule. At last, we discussed the follow-up strategies, the influence of the thyroid-stimulating hormone (TSH) level on the prognosis of PTMCs, and the management for recurrent cases. In conclusion, the procedures during the entire perioperative period should be standardized to improve the outcomes of TA in treating PTMC patients.
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Affiliation(s)
- Yujie Ren
- Endocrine and Diabetes Center, The Affiliated Hospital of Integrated Traditional Chinese and Western Medicine, Nanjing University of Chinese Medicine, Nanjing, China
- Jiangsu Province Academy of Traditional Chinese Medicine, Nanjing, China
| | - Chenya Lu
- Department of Endocrinology, Dongyang Hospital of Chinese Medicine, Dangyang, China
| | - Shuhang Xu
- Endocrine and Diabetes Center, The Affiliated Hospital of Integrated Traditional Chinese and Western Medicine, Nanjing University of Chinese Medicine, Nanjing, China
- Jiangsu Province Academy of Traditional Chinese Medicine, Nanjing, China
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Han ZY, Dou JP, Zheng L, Che Y, Yu MA, Wang SR, Wang H, Cong ZB, He JF, Qian TG, Hu QH, He GZ, Liu G, Yu SY, Guo JQ, Jiang TA, Feng RF, Li QY, Chen XJ, Zhu YL, Wei Y, Liu LH, Wang X, Qi LN, Liang P. Safety and efficacy of microwave ablation for the treatment of low-risk papillary thyroid microcarcinoma: a prospective multicenter study. Eur Radiol 2023; 33:7942-7951. [PMID: 37294329 DOI: 10.1007/s00330-023-09802-x] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/16/2022] [Revised: 03/21/2023] [Accepted: 03/26/2023] [Indexed: 06/10/2023]
Abstract
OBJECTIVES To assess the safety and efficacy of ultrasound-guided thermal ablation for low-risk papillary thyroid microcarcinoma (PTMC) via a prospective multicenter study. METHODS From January 2017 through June 2021, low-risk PTMC patients were screened. The management details of active surveillance (AS), surgery, and thermal ablation were discussed. Among patients who accepted thermal ablation, microwave ablation (MWA) was performed. The main outcome was disease-free survival (DFS). The secondary outcomes were tumor size and volume changes, local tumor progression (LTP), lymph node metastasis (LNM), and complication rate. RESULTS A total of 1278 patients were included in the study. The operation time of ablation was 30.21 ± 5.14 min with local anesthesia. The mean follow-up time was 34.57 ± 28.98 months. Six patients exhibited LTP at 36 months, of whom 5 patients underwent a second ablation, and 1 patient received surgery. The central LNM rate was 0.39% at 6 months, 0.63% at 12 months, and 0.78% at 36 months. Of the 10 patients with central LNM at 36 months, 5 patients chose ablation, 3 patients chose surgery and the other 2 patients chose AS. The overall complication rate was 1.41%, and 1.10% of patients developed hoarseness of the voice. All of the patients recovered within 6 months. CONCLUSIONS Thermal ablation of low-risk PTMC was observed to be safe and efficacious with few minor complications. This technique may help to bridge the gap between surgery and AS as treatment options for patients wishing to have their PTMC managed in a minimally invasive manner. CLINICAL RELEVANCE STATEMENT This study proved that microwave ablation is a safe and effective treatment method for papillary thyroid microcarcinoma. KEY POINTS Percutaneous US-guided microwave ablation of papillary thyroid microcarcinoma is a very minimally invasive treatment under local anesthesia during a short time period. The local tumor progression and complication rate of microwave ablation in the treatment of papillary thyroid microcarcinoma are very low.
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Affiliation(s)
- Zhi-Yu Han
- Department of Interventional Ultrasound, Chinese PLA General Hospital, No.28 Fuxing Road, Haidian District, Beijing, China
| | - Jian-Pin Dou
- Department of Interventional Ultrasound, Chinese PLA General Hospital, No.28 Fuxing Road, Haidian District, Beijing, China
| | - Lin Zheng
- Department of Interventional Ultrasound, Chinese PLA General Hospital, No.28 Fuxing Road, Haidian District, Beijing, China
| | - Ying Che
- Department of Ultrasound, the First Affiliated Hospital of Dalian Medical University, Dalian, China
| | - Ming-An Yu
- Department of Interventional Ultrasound Medicine, China-Japan Friendship Hospital, No. 2 Yinghuayuan East Street, Beijing, Chaoyang District, China
| | - Shu-Rong Wang
- Department of Medical Ultrasound, Yantai Affiliated Hospital of Binzhou Medical University, Yantai, China
| | - Hui Wang
- Department of Ultrasound, China-Japan Union Hospital of Jilin University, No. 126, Xian Tai Street, Changchun, China
| | - Zhi-Bin Cong
- Department of Electrodiagnosis, the Affiliated Hospital to Changchun University of Traditional Chinese Medicine, Changchun, China
| | - Jun-Feng He
- Department of Ultrasound, the First Affiliated Hospital of Baotou Medical College of Inner Mongolia University of Science and Technology, 41 Linyin Road, Kunqu District, Baotou City, Inner Mongolia Autonomous Region, China
| | - Tong-Gang Qian
- Department of Ultrasound, Zunhua People's Hospital, Hebei Province, Huaming Road, Zunhua, Hebei Province, China
| | - Qiao-Hong Hu
- Department of Ultrasound Medicine, Zhejiang Provincial People's Hospital, 158 Shangtang Road, Xiacheng District, Hangzhou City, Zhejiang, China
| | - Guang-Zhi He
- Department of Ultrasound, Shenzhen Hospital of University of Chinese Academy of Sciences, Shenzhen, China
| | - Geng Liu
- Department of Ultrasound, Wuhai People's Hospital, No. 29, Huanghe East Street, Haibowan District, Wuhai City, Inner Mongolia Autonomous Region, China
| | - Song-Yuan Yu
- Department of Medical Ultrasound, the First Center of Minimally Invasive Treatment for, TumorShanghai Tenth People's Hospital, School of Medicine, Tongji University, Shanghai, China
| | - Jian-Qin Guo
- Department of Interventional Ultrasound, Qinghai Provincial People's Hospital, Gonghe Road, Chengdong District, Xining City, Qinghai Province, China
| | - Tian-An Jiang
- Department of Ultrasound Medicine, the First Affiliated Hospital, Zhejiang University School of Medicine, 79 Qingchun Road, Zhejiang, Hangzhou, China
| | - Rui-Fa Feng
- Department of Ultrasound, breast and thyroid surgery, the Second Affiliated Hospital of Guilin Medical University, No.212, Renmin Road, Lingui District, Guilin City, Guangxi Province, China
| | - Qin-Ying Li
- Department of Interventional Ultrasound, Puyang Traditional Chinese medicine hospital, No.135 Shengli Road, Hualong District, Puyang City, Henan, China
| | - Xiao-Jun Chen
- Department of Endocrinology, the First Affiliated Hospital of Wenzhou Medical University, Nanbaixiang, Ouhai District, Wenzhou City, Zhejiang Province, China
| | - Ya-Lin Zhu
- Department of Ultrasound, the First Affiliated Hospital of Dalian Medical University, Dalian, China
| | - Ying Wei
- Department of Interventional Ultrasound Medicine, China-Japan Friendship Hospital, No. 2 Yinghuayuan East Street, Beijing, Chaoyang District, China
| | - Li-Hong Liu
- Department of Medical Ultrasound, Yantai Affiliated Hospital of Binzhou Medical University, Yantai, China
| | - Xue Wang
- Department of Electrodiagnosis, the Affiliated Hospital to Changchun University of Traditional Chinese Medicine, Changchun, China
| | - Li-Na Qi
- Department of Interventional Ultrasound, Qinghai Provincial People's Hospital, Gonghe Road, Chengdong District, Xining City, Qinghai Province, China
| | - Ping Liang
- Department of Interventional Ultrasound, Chinese PLA General Hospital, No.28 Fuxing Road, Haidian District, Beijing, China.
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Yan L, Li Y, Li XY, Xiao J, Tang J, Luo Y. Clinical outcomes of ultrasound-guided radiofrequency ablation for solitary T1N0M0 papillary thyroid carcinoma: A retrospective study with more than 5 years of follow-up. Cancer 2023. [PMID: 37060239 DOI: 10.1002/cncr.34802] [Citation(s) in RCA: 9] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/13/2022] [Revised: 03/13/2023] [Accepted: 03/29/2023] [Indexed: 04/16/2023]
Abstract
BACKGROUND Ultrasound-guided radiofrequency ablation (RFA) has been used in patients with papillary thyroid carcinoma (PTC) who refuse surgery or active surveillance. However, the long-term outcomes are still limited. This study aimed to evaluate the clinical outcomes of RFA for solitary T1N0M0 PTC in a large cohort over a more than 5-year follow-up period. METHODS This retrospective study included 358 patients with solitary T1N0M0 PTC who were treated with RFA and followed for at least 5 years. The bipolar RFA procedure was performed using hydrodissection technique, transisthmic approach, and moving-shot technique. The primary outcomes were disease progression, including lymph node metastasis (LNM), recurrent tumor, persistent tumor, and distant metastasis. The secondary outcomes were volume reduction rate, complete disappearance rate, complications, and delayed surgery. RESULTS During a mean follow-up period of 75.5 ± 9.7 months, the overall disease progression was 5.0%. The incidence of LNM, recurrent tumor, and persistent tumor was 1.4%, 3.1%, and 0.6%, respectively. There were no significant differences in the disease progression (5.0% vs. 5.5%, p = 1.000), LNM (1.3% vs. 1.8%, p = .568), recurrent tumor (3.3% vs. 1.8%, p = .872), persistent tumors (0.3% vs. 1.8%, p = .284), and 5-year recurrence-free survival rates (95.4% vs. 96.4%, p = .785) in the T1a and T1b groups. Volume reduction rate was 100.0 ± 0.3%, with 96.9% of tumors disappearing. No complications occurred. No patients underwent delayed surgery because of anxiety. CONCLUSIONS RFA is an effective and safe alternative for patients with T1N0M0 PTC and can offer a minimally invasive curative option for patients who refuse surgery or active surveillance. PLAIN LANGUAGE SUMMARY During a mean follow-up period of 75.5 ± 9.7 months, the overall papillary thyroid carcinoma disease progression was 5.0%. The volume reduction rate was 100.0 ± 0.3%, with 96.9% of tumors disappearing. The T1a and T1b groups had similar incidence of disease progression and 5-year recurrence-free survival rates. No patients experienced complications or underwent delayed surgery because of anxiety.
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Affiliation(s)
- Lin Yan
- Department of Ultrasound, First Medical Center, Chinese PLA General Hospital, Beijing, China
| | - Yingying Li
- Department of Ultrasound, First Medical Center, Chinese PLA General Hospital, Beijing, China
| | - Xin Yang Li
- Department of Ultrasound, First Medical Center, Chinese PLA General Hospital, Beijing, China
| | - Jing Xiao
- Department of Ultrasound, First Medical Center, Chinese PLA General Hospital, Beijing, China
| | - Jie Tang
- Department of Ultrasound, First Medical Center, Chinese PLA General Hospital, Beijing, China
| | - Yukun Luo
- Department of Ultrasound, First Medical Center, Chinese PLA General Hospital, Beijing, China
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Meta-Analysis of the Application Effect of Different Modalities of Thermal Ablation and Surgical Treatment in Papillary Thyroid Microcarcinoma. DISEASE MARKERS 2022; 2022:9714140. [PMID: 36217504 PMCID: PMC9547687 DOI: 10.1155/2022/9714140] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/08/2022] [Accepted: 09/12/2022] [Indexed: 12/07/2022]
Abstract
Background Papillary thyroid microcarcinoma (PTMC) refers to papillary thyroid carcinoma (PTC) with a maximum diameter of 10 mm. Thermal ablation, including radiofrequency ablation (RFA), microwave ablation (MWA), and laser ablation (LA), has been applied in the treatment of benign thyroid nodules and captured extensive attention. At present, the application of thermal ablation in PTMC has been extensively reported, but outcomes such as volume reduction rate (VRR), complete remission rate (CRR), and adverse reaction rate (ARR) vary considerably. Therefore, this meta-analysis was performed to evaluate the safety and efficacy of different treatment methods of PTMC. Methods We did a systematic review and network meta-analysis. We searched PubMed, EMBase, and Cochrane-Library from the date of inception to January 10, 2022, to retrieve the VRR, CRR, and ARR of MWA, RFA, LA and surgical treatment of PTMC, and a meta-analysis was performed using the R meta-package. Odds ratios (ORs) and 95% confidence intervals (CIs) were calculated, and sensitivity analyses, cumulative meta-analyses, and publication bias were also performed. Relevant literature was retrieved with keywords; the eligible cohort studies were screened based on the established inclusion and exclusion criteria. Results A total of 1515 patients were included in the 12-month follow-up. The overall VRR was 86.25% (95% CI: 77.89, 94.60), and the VRR was RFA > WMA > LA, but the differences were not significant. A total of 1483 patients were included in the last follow-up. The overall VRR was 99.41% (95% CI: 99.11, 99.72), and the VRR was RFA > WMA > LA, but the differences were not significant. A total of 1622 patients showed complete remission at the last follow-up, and the overall CRR was 0.63 (95% CI: 0.46, 0.79). The CRR was RFA > LA > WMA, but the differences were not significant. A total of 1883 patients had adverse reactions at the last follow-up, and the overall ARR was 0.06 (95% CI: 0.03, 0.08). The ARR at the last follow-up was RFA = Surg < LA < WMA. The ARR of the RFA and Surg subgroups was significantly lower than that of the WMA subgroup. Conclusions Similar good efficacy and safety profiles were observed in WMA, RFA, LA, and surgical treatment in PTMC, among which RFA showed the best volume reduction, complete remission rate, and adverse reaction reduction. However, there is a slight bias in the limited literature included in this study, and we did not conduct or refer to mechanistic studies to confirm its specific mechanism of action. Clinicians are advised to use their discretion in the choice of treatment.
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Yan L, Li X, Li Y, Xiao J, Zhang M, Luo Y. Comparison of ultrasound-guided radiofrequency ablation versus thyroid lobectomy for T1bN0M0 papillary thyroid carcinoma. Eur Radiol 2022; 33:730-740. [PMID: 35895122 DOI: 10.1007/s00330-022-08963-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2021] [Revised: 05/16/2022] [Accepted: 06/11/2022] [Indexed: 12/07/2022]
Abstract
OBJECTIVE To investigate and compare the clinical outcomes between radiofrequency ablation (RFA) and thyroid lobectomy (TL) for T1bN0M0 papillary thyroid carcinoma (PTC). METHODS This retrospective study evaluated 283 patients with solitary T1bN0M0 PTC treated with RFA (RFA group, 91 patients) or TL (TL group, 192 patients) from May 2014 to November 2018. The patients were regularly followed up after treatment. Local tumor progression, lymph node metastasis (LNM), recurrent tumor, persistent tumor, recurrence-free survival (RFS), treatment variables (hospitalization, procedure time, estimated blood loss, and cost), complication, and delayed surgery were compared. RESULTS During the follow-up (median [interquartile ranges], 50.4 [18.0] months), no significant differences were found in the local tumor progression (4.4% vs 3.6%, p = 1.000), LNM (1.1% vs 2.1%, p = 0.917), recurrent tumor (2.2% vs 1.6%, p = 1.000), persistent tumor (1.1% vs 0%, p = 0.146), and RFS rate (95.6% vs 96.4%, p = 0.816) in the RFA and TL groups. Distant metastasis was not detected. Patients in the RFA group had a shorter hospitalization (0 vs 7.0 [3.0] days, p < 0.001), shorter procedure time (5.6 [2.9] vs 90.0 [38.5] min, p < 0.001), lower estimated blood loss (0 vs 20 [20] mL, p < 0.001), lower cost ($1972.5 [0.1] vs $2362.4 [1009.3], p < 0.001), and lower complication rate (0 vs 12/192 [6.3%], p = 0.015) than those in the TL group. No patients in the RFA group underwent delayed surgery. CONCLUSIONS This study revealed comparable 4-year clinical outcomes between RFA and TL for T1bN0M0 PTC in terms of local tumor progression and RFS. As a minimally invasive modality, RFA may be a promising feasible alternative to surgery for the treatment of T1bN0M0 PTC in selected patients after strict evaluation. KEY POINTS • No significant difference in local tumor progression and RFS was found between RFA and TL for T1bN0M0 PTC during a median follow-up period of 50.4 months. • Compared with TL, RFA led to a shorter hospitalization, lower estimated blood loss, lower cost, and lower complication rate. • RFA may be a promising feasible alternative to surgery for the treatment of T1bN0M0 PTC in selected patients after strict evaluation.
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Affiliation(s)
- Lin Yan
- Department of Ultrasound, the First Medical Centre, Chinese PLA General Hospital, No. 28 Fuxing Road, Haidian District, Beijing, 100853, China
| | - Xinyang Li
- Department of Ultrasound, the First Medical Centre, Chinese PLA General Hospital, No. 28 Fuxing Road, Haidian District, Beijing, 100853, China
- School of Medicine, Nankai University, No. 94 Weijin Road, Nankai District, Tianjin, 300071, China
| | - Yingying Li
- Department of Ultrasound, the First Medical Centre, Chinese PLA General Hospital, No. 28 Fuxing Road, Haidian District, Beijing, 100853, China
| | - Jing Xiao
- Department of Ultrasound, the First Medical Centre, Chinese PLA General Hospital, No. 28 Fuxing Road, Haidian District, Beijing, 100853, China
| | - Mingbo Zhang
- Department of Ultrasound, the First Medical Centre, Chinese PLA General Hospital, No. 28 Fuxing Road, Haidian District, Beijing, 100853, China
| | - Yukun Luo
- Department of Ultrasound, the First Medical Centre, Chinese PLA General Hospital, No. 28 Fuxing Road, Haidian District, Beijing, 100853, China.
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10
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Ou D, Chen C, Jiang T, Xu D. Research Review of Thermal Ablation in the Treatment of Papillary Thyroid Carcinoma. Front Oncol 2022; 12:859396. [PMID: 35847945 PMCID: PMC9283792 DOI: 10.3389/fonc.2022.859396] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/21/2022] [Accepted: 05/24/2022] [Indexed: 12/24/2022] Open
Abstract
Background Minimally invasive treatment of thyroid tumors has become increasingly common, but has mainly focused on benign thyroid tumors, whereas thermal ablation of thyroid cancer remains controversial. Clinical studies analyzing the efficacy of thermal ablation of papillary thyroid carcinoma (PTC) have been conducted in several countries to verify its safety. Here, we screened and reviewed recent studies on the efficacy and safety of thermal ablation of PTC as well as psychological assessment, patient prognosis, recurrence, and factors affecting ablation. Summary The most significant controversy surrounding ablative treatment of PTC centers on its effectiveness and safety, and >40 studies have been conducted to address this issue. The studies include papillary thyroid microcarcinoma (PTMC) and non-PTMC, single PTC and multiple PTC, and controlled studies of ablative therapy and surgical treatment. In general, ablation techniques can be carefully performed and promoted under certain conditions and with active follow-up of postoperative patients. Ablation is a promising alternative treatment especially in patients who are inoperable. Conclusions Clinical studies on PTC ablation have provided new perspectives on local treatment. However, because PTC grows very slowly, it is an indolent tumor; therefore, studies with larger sample sizes and extended post-procedure follow-ups are necessary to confirm the investigators’ hypotheses.
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Affiliation(s)
- Di Ou
- Department of Ultrasound, The Cancer Hospital of the University of Chinese Academy of Sciences (Zhejiang Cancer Hospital), Institute of Basic Medicine and Cancer (IBMC), Chinese Academy of Sciences, Hangzhou, China
- Key Laboratory of Head & Neck Cancer Translational Research of Zhejiang Province, Hangzhou, China
| | - Chen Chen
- Graduate School, Wannan Medical College, Wuhu, China
| | - Tian Jiang
- The Postgraduate Training Base, Wen Zhou Medical University, Hangzhou, China
| | - Dong Xu
- Department of Ultrasound, The Cancer Hospital of the University of Chinese Academy of Sciences (Zhejiang Cancer Hospital), Institute of Basic Medicine and Cancer (IBMC), Chinese Academy of Sciences, Hangzhou, China
- Key Laboratory of Head & Neck Cancer Translational Research of Zhejiang Province, Hangzhou, China
- *Correspondence: Dong Xu,
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11
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van Dijk SPJ, Coerts HI, Gunput STG, van Velsen EFS, Medici M, Moelker A, Peeters RP, Verhoef C, van Ginhoven TM. Assessment of Radiofrequency Ablation for Papillary Microcarcinoma of the Thyroid: A Systematic Review and Meta-analysis. JAMA Otolaryngol Head Neck Surg 2022; 148:317-325. [PMID: 35142816 PMCID: PMC8832309 DOI: 10.1001/jamaoto.2021.4381] [Citation(s) in RCA: 42] [Impact Index Per Article: 21.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/21/2021] [Accepted: 12/15/2021] [Indexed: 12/12/2022]
Abstract
IMPORTANCE Papillary microcarcinomas of the thyroid (mPTCs) account for an increasing proportion of thyroid cancers in past decades. The use of radiofrequency ablation (RFA) has been investigated as an alternative to surgery. The effectiveness and safety of RFA has yet to be determined. OBJECTIVE To evaluate the effectiveness and safety of RFA for low-risk mPTC. DATA SOURCES Embase, MEDLINE via Ovid, Web of Science Core Collection, Cochrane Central Register of Controlled Trials, and the top 100 references of Google Scholar were searched from inception to May 28, 2021. STUDY SELECTION Articles reporting on adult patients with mPTC treated with RFA were included. Studies that involved patients with pre-ablation lymph node or distant metastases, recurrence of disease, or extrathyroidal extension were excluded. Final article selection was conducted by multiple reviewers based on consensus. The proportion of eligible articles was 1%. DATA EXTRACTION AND SYNTHESIS This meta-analysis was conducted in accordance with the MOOSE guidelines. Random and fixed-effect models were applied to obtain pooled proportions and 95% CIs. MAIN OUTCOMES AND MEASURES The primary outcome was the complete disappearance rate of mPTC. Secondary outcomes were tumor progression and complications. RESULTS Fifteen studies were included in this meta-analysis. A total of 1770 patients (1379 women [77.9%]; mean [SD] age, 45.4 [11.4] years; age range, 42.5-66.0 years) with 1822 tumors were treated with RFA; 49 tumors underwent 1 additional RFA session and 1 tumor underwent 2 additional RFA sessions. Mean (SD) follow-up time was 33.0 (11.4) months (range, 6-131 months). The pooled complete disappearance rate at the end of follow-up was 79% (95% CI, 65%-94%). The overall tumor progression rate was 1.5% (n = 26 patients), local residual mPTC in the ablation area was found in 7 tumors (0.4%), new mPTC in the thyroid was found in 15 patients (0.9%), and 4 patients (0.2%) developed lymph node metastases during follow-up. No distant metastases were detected. Three major complications occurred (2 voice changes lasting >2 months and 1 cardiac arrhythmia). Minor complications were described in 45 patients. CONCLUSIONS AND RELEVANCE The findings of this systematic review and meta-analysis suggest that RFA is a safe and efficient method to treat selected low-risk mPTCs. Radiofrequency ablation could be envisioned as step-up treatment after local tumor growth under active surveillance for an mPTC or initial treatment in patients with mPTCs with anxiety about active surveillance.
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Affiliation(s)
- Sam P. J. van Dijk
- Department of Surgical Oncology and Gastrointestinal Surgery, Erasmus MC Cancer Institute, University Medical Center Rotterdam, Rotterdam, the Netherlands
| | - Hannelore I. Coerts
- Department of Surgical Oncology and Gastrointestinal Surgery, Erasmus MC Cancer Institute, University Medical Center Rotterdam, Rotterdam, the Netherlands
| | - Sabrina T. G. Gunput
- Department of Medical Library, Erasmus MC, University Medical Center Rotterdam, Rotterdam, the Netherlands
| | - Evert F. S. van Velsen
- Department of Internal Medicine and Thyroid Diseases, Erasmus MC, University Medical Center Rotterdam, Rotterdam, the Netherlands
| | - Marco Medici
- Department of Internal Medicine and Thyroid Diseases, Erasmus MC, University Medical Center Rotterdam, Rotterdam, the Netherlands
| | - Adriaan Moelker
- Department of Radiology and Nuclear Medicine, Erasmus MC, University Medical Center Rotterdam, Rotterdam, the Netherlands
| | - Robin P. Peeters
- Department of Internal Medicine and Thyroid Diseases, Erasmus MC, University Medical Center Rotterdam, Rotterdam, the Netherlands
| | - Cornelis Verhoef
- Department of Surgical Oncology and Gastrointestinal Surgery, Erasmus MC Cancer Institute, University Medical Center Rotterdam, Rotterdam, the Netherlands
| | - Tessa M. van Ginhoven
- Department of Surgical Oncology and Gastrointestinal Surgery, Erasmus MC Cancer Institute, University Medical Center Rotterdam, Rotterdam, the Netherlands
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12
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Lan Y, Li N, Song Q, Zhang MB, Luo YK, Zhang Y. Correlation and agreement between superb micro-vascular imaging and contrast-enhanced ultrasound for assessing radiofrequency ablation treatment of thyroid nodules: a preliminary study. BMC Med Imaging 2021; 21:175. [PMID: 34809604 PMCID: PMC8609811 DOI: 10.1186/s12880-021-00697-y] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/17/2021] [Accepted: 07/22/2021] [Indexed: 12/29/2022] Open
Abstract
Background To evaluate the correlation and agreement between superb micro-vascular imaging (SMI) mode and the contrast-enhanced ultrasound (CEUS) mode for the ablative completeness and the volumes of ablation lesions to determine the clinical application value of SMI in follow-up after radiofrequency ablation.
Methods From April 2020 to June 2020, two radiologists used SMI and CEUS mode to measure the volume of the ablation lesion. We use intra-class correlation coefficient (ICC), scatter plots and Bland–Altman plots to evaluate the correlation and agreement of the two techniques. In addition, intra- and inter-observer reliability in volume measurement of ablation lesions with SMI mode was assessed. Results SMI mode and CEUS mode have good agreement in the evaluation of ablative completeness. The ICC was 0.876 and 0.928 of reader A and reader B between SMI mode and CEUS mode in terms of ablation lesions volume measurement. There was a strong correlation between the two modes in both reader A and reader B (rA = 0.808; rB = 0.882). The ICC was 0.836 for the inter-observer reliability of SMI technique. The scatter plot showed a good linear relation (r = 0.715). In the Bland–Altman plot, 4.35% (1/23) of the points was outside the 95% limits of agreement. The ICC was 0.965 for the intra-observer reliability of SMI technique, the scatter plot also showed a strong linear correlation (r = 0.965). In the Bland–Altman plot, 8.70% (2/23) of the points was outside the 95% limits of agreement. Conclusions SMI and CEUS have good agreement and correlation in the ablation volume measurement. SMI technology is expected to be applied as an alternative to CEUS in the clinical follow-up of ablation lesions.
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Affiliation(s)
- Yu Lan
- Department of Ultrasound, General Hospital of Chinese PLA, 28 Fuxing Road, Haidian District, Beijing, China.,School of Medicine, Nankai University, 94 Weijin Road, Nankai District, Tianjin, China.,Department of Ultrasound, The People's Hospital of Liaoning Province, Shenyang, China
| | - Nan Li
- Department of Ultrasound, General Hospital of Chinese PLA, 28 Fuxing Road, Haidian District, Beijing, China
| | - Qing Song
- Department of Ultrasound, General Hospital of Chinese PLA, 28 Fuxing Road, Haidian District, Beijing, China
| | - Ming-Bo Zhang
- Department of Ultrasound, General Hospital of Chinese PLA, 28 Fuxing Road, Haidian District, Beijing, China.
| | - Yu-Kun Luo
- Department of Ultrasound, General Hospital of Chinese PLA, 28 Fuxing Road, Haidian District, Beijing, China. .,School of Medicine, Nankai University, 94 Weijin Road, Nankai District, Tianjin, China.
| | - Yan Zhang
- Department of Ultrasound, General Hospital of Chinese PLA, 28 Fuxing Road, Haidian District, Beijing, China.
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13
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Yan L, Zhang M, Song Q, Luo Y. Ultrasound-Guided Radiofrequency Ablation Versus Thyroid Lobectomy for Low-Risk Papillary Thyroid Microcarcinoma: A Propensity-Matched Cohort Study of 884 Patients. Thyroid 2021; 31:1662-1672. [PMID: 34269611 DOI: 10.1089/thy.2021.0100] [Citation(s) in RCA: 49] [Impact Index Per Article: 16.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Background: Thermal ablation (TA) has been applied in patients with low-risk papillary thyroid microcarcinoma (PTMC) who refuse surgery or active surveillance (AS). Recently, TA has been proposed as a potential therapeutic option for patients who are suitable for surgery or AS. However, the clinical outcomes of TA versus surgery remains controversial because of a lack of sufficient data. This study aimed to compare the clinical outcomes between radiofrequency ablation (RFA) versus thyroid lobectomy (TL) for low-risk PTMC in a large cohort. Methods: This retrospective study evaluated 884 patients with unifocal low-risk PTMC treated with TL or RFA from June 2014 to March 2018. Among them, 460 patients underwent TL (TL group) and 424 patients, who refused surgery or AS, underwent RFA (RFA group). Patients were regularly followed up after treatment. Local tumor progression, recurrence-free survival (RFS), complications, and treatment variables, including procedure time, estimated blood loss, hospitalization, and cost, were compared after propensity score matching (PSM). Results: After PSM, a total of 332 patients underwent TL (mean ages 43.8 ± 9.5 years) and 332 underwent RFA (mean ages 44.1 ± 9.5 years). During the follow-up (median [interquartile ranges], 48.3 [23.2] months), no significant differences were observed in local tumor progression (1.8% vs. 3.3%, p = 0.209), lymph node metastasis (0.6% vs. 0.6%, p = 1.000), recurrent PTMC (1.2% vs. 2.4%, p = 0.244), persistent lesion (0% vs. 0.3%, p = 0.317), and 4-year RFS rates (98.2% vs. 97.0%, p = 0.223) between the TL and RFA groups. Distant metastasis was not detected. None of the patients who were treated by RFA underwent delayed surgery. Patients undergoing RFA had shorter procedure time (3.4 [2.5] vs. 86.0 [37.0] minutes, p < 0.001), lower estimated blood loss (0 vs. 20 [10.0] mL, p < 0.001), shorter hospitalization (0 vs. 7.0 [3.0] days, p < 0.001), lower cost ($2035.7 [254.0] vs. $2269.1 [943.4], p < 0.001) and lower complication rate (0% vs. 4.5%, p < 0.001) than those treated by TL. The association between treatment modality and recurrence remained nonsignificant after Cox analysis (p = 0.247). Conclusions: This large matched study revealed comparable four-year clinical outcomes between RFA and TL for low-risk PTMC. As a minimally invasive modality, RFA may be a promising alternative to the existing treatment options for low-risk PTMC.
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Affiliation(s)
- Lin Yan
- Department of Ultrasound, The First Medical Centre, Chinese PLA General Hospital, Beijing, China
| | - Mingbo Zhang
- Department of Ultrasound, The First Medical Centre, Chinese PLA General Hospital, Beijing, China
| | - Qing Song
- Department of Ultrasound, The First Medical Centre, Chinese PLA General Hospital, Beijing, China
| | - Yukun Luo
- Department of Ultrasound, The First Medical Centre, Chinese PLA General Hospital, Beijing, China
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14
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He H, Zhang Y, Song Q, Zhao J, Li W, Li Y, Luo Y. Nomogram prediction for the involution of the ablation zone after radiofrequency ablation treatment in patients with low-risk papillary thyroid carcinoma. Int J Hyperthermia 2021; 38:1133-1139. [PMID: 34348562 DOI: 10.1080/02656736.2021.1960434] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022] Open
Abstract
OBJECTIVES To construct a prognostic nomogram to predict the involution of the ablation zone for patients with low-risk papillary thyroid carcinoma (PTC) who underwent radiofrequency ablation (RFA) treatment. METHODS Data from 204 patients with low-risk PTC without extrathyroidal extension or cervical lymph node or distant metastasis who underwent RFA treatment were collected from January 2018 to January 2019. Clinicopathological and imaging characteristics were analyzed. The prognostic factors associated with the involution of the ablation zone within 12 months after RFA were identified by logistic analysis, and the nomogram was established. Calibration curve and decision curve analysis were used to evaluate the nomogram performance. RESULTS Of the 204 patients included in this study, the ablation zone in 78 (38%) patients did not completely disappear in the 12 months after RFA. Four variables, including sex (odds ratio [OR], 3.303; 95% confidence interval [CI], 1.418-8.418; p = 0.008), age (OR, 1.045; 95% CI, 1.012-1.081; p = 0.009), calcification size (OR, 1.666; 95% CI, 1.041-2.701; p = 0.035), and RFA energy (OR, 2.902; 95% CI, 1.333-6.683; p = 0.009), were found to be closely associated with ablation zone non-disappearance at 12 months after RFA by multivariate analysis. A nomogram model was constructed, and its accuracy was well validated (C-index = 0.787). CONCLUSIONS This study constructed and validated a risk model that could accurately predict the involution of the ablation zone after RFA for patients with PTC. This could provide clinicians with useful resource to guide patient counseling regarding tumor prognosis after RFA.
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Affiliation(s)
- Hongying He
- School of Medicine, Nankai University, Tianjin, China.,Department of Ultrasound, The First Medical Center of Chinese PLA General Hospital, Beijing, China
| | - Yan Zhang
- Department of Ultrasound, The First Medical Center of Chinese PLA General Hospital, Beijing, China
| | - Qing Song
- Department of Ultrasound, The First Medical Center of Chinese PLA General Hospital, Beijing, China
| | - Jiahang Zhao
- Department of Ultrasound, The First Medical Center of Chinese PLA General Hospital, Beijing, China
| | - Wen Li
- Department of Ultrasound, The First Medical Center of Chinese PLA General Hospital, Beijing, China
| | - Yi Li
- Department of Ultrasound, The First Medical Center of Chinese PLA General Hospital, Beijing, China
| | - Yukun Luo
- School of Medicine, Nankai University, Tianjin, China.,Department of Ultrasound, The First Medical Center of Chinese PLA General Hospital, Beijing, China
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15
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Yan L, Zhang M, Song Q, Xie F, Luo Y. Clinical outcomes of radiofrequency ablation for multifocal papillary thyroid microcarcinoma versus unifocal papillary thyroid microcarcinoma: a propensity-matched cohort study. Eur Radiol 2021; 32:1216-1226. [PMID: 34357450 DOI: 10.1007/s00330-021-08133-z] [Citation(s) in RCA: 24] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2021] [Revised: 05/26/2021] [Accepted: 06/01/2021] [Indexed: 12/24/2022]
Abstract
OBJECTIVE To investigate and compare the clinical outcomes of radiofrequency ablation (RFA) for multifocal papillary thyroid microcarcinoma (PTMC) versus unifocal PTMC in a large cohort. METHODS Patients with low-risk PTMC (n = 487) who underwent RFA were included in this retrospective study and divided into the unifocal group (U group) (n = 432) and the multifocal group (M group) (n = 55) according to the number of lesions. After 1:1 propensity score matching (PSM), volume, volume reduction ratio (VRR), the development of local tumor progression including lymph node metastasis (LNM), recurrent PTMC and persistent lesions, and recurrence-free survival (RFS) rate were evaluated and compared between the two groups. The different impacts of multifocality on recurrence after RFA for PTMC were investigated by Cox analysis. RESULTS During a mean follow-up time of 49.25 ± 12.98 months, the overall VRR was 99.40 ± 4.43% and the overall incidence of local tumor progression was 3.70% (18/487). No complications occurred after RFA. After PSM, no significant differences were found in volume (0.11 ± 0.69 mm3 vs 0 mm3, p = 0.441), VRR (99.87 ± 0.78% vs 100%, p = 0.441), complete disappearance rate (95.61% vs 89.09%, p = 0.201), incidence of local tumor progression (5.45% vs 5.45%, p = 1.000), LNM (1.82% vs 0%, p = 0.317), recurrent PTMC (1.82% vs 5.45%, p = 0.611), persistent lesions (1.82% vs 0%, p = 0.317), and RFS rate (96.36% vs 94.55%, p = 0.632) between the M group and U group. The association between multifocality and local tumor recurrence also remained nonsignificant (p = 0.619). No distant metastasis or delayed surgery occurred. CONCLUSIONS The impact of multifocality on the prognosis after RFA for low-risk PTMC was little. RFA might be a promising treatment for both unifocal and multifocal PTMC in properly selected patients after sufficient preoperative evaluation. KEY POINTS • No significant differences are found in the local tumor progression between the unifocal PTMC and multifocal PTMC. • Multifocality is not associated with higher recurrence after RFA for low-risk PTMC. • RFA is a promising alternative for both unifocal and multifocal PTMC.
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Affiliation(s)
- Lin Yan
- Department of Ultrasound, First Medical Center, Chinese PLA General Hospital, No.28 Fuxing Road, Haidian District, Beijing, 100853, China
| | - Mingbo Zhang
- Department of Ultrasound, First Medical Center, Chinese PLA General Hospital, No.28 Fuxing Road, Haidian District, Beijing, 100853, China
| | - Qing Song
- Department of Ultrasound, First Medical Center, Chinese PLA General Hospital, No.28 Fuxing Road, Haidian District, Beijing, 100853, China
| | - Fang Xie
- Department of Ultrasound, First Medical Center, Chinese PLA General Hospital, No.28 Fuxing Road, Haidian District, Beijing, 100853, China
| | - Yukun Luo
- Department of Ultrasound, First Medical Center, Chinese PLA General Hospital, No.28 Fuxing Road, Haidian District, Beijing, 100853, China.
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16
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Ntelis S, Linos D. Efficacy and safety of radiofrequency ablation in the treatment of low-risk papillary thyroid carcinoma: a review. Hormones (Athens) 2021; 20:269-277. [PMID: 33822327 DOI: 10.1007/s42000-021-00283-5] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/22/2020] [Accepted: 03/16/2021] [Indexed: 12/23/2022]
Abstract
Ultrasound-guided radiofrequency ablation (RFA) has recently been used for the treatment of thyroid carcinomas. In this study, we aimed to evaluate the efficacy and safety of RFA for treating low-risk papillary thyroid carcinomas (PTCs). We searched the MEDLINE and the SCOPUS databases up to December 29, 2020, for studies assessing the efficacy and safety of RFA in the management of low-risk PTCs. Data on volume reduction ratio (VRR), complete disappearance, carcinoma recurrence, and complication frequency were collected. Thirteen studies with a total of 1389 patients and 1422 tumors were included in the synthesis of this study. Mean VRR varied between 47.8 and 100%, with most studies reporting a ratio of 98.5-100%. The ratio of complete disappearance ranged between 33.7 and 100%, although studies with a prolonged follow-up period reported a frequency of 56-100%. The tumor progression/recurrence frequency was 0-4.5%. Complications occurred in 45 patients (3.2%). Mild-moderate pain and cervical discomfort were the most common complications and no life-threatening complications were reported. Based on these data, we suggest that ultrasound-guided RFA can serve as an efficacious and safe alternative for the treatment of low-risk PTC in patients who are unable or unwilling to receive surgical therapy.
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Affiliation(s)
- Spyridon Ntelis
- Institute of Preventive Medicine, Environmental and Occupational Health Prolepsis, Maroussi, Greece
| | - Dimitrios Linos
- Department of Surgery, Hygeia Hospital, Maroussi, Greece.
- National and Kapodistrian University of Athens, Athens, Greece.
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17
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The Clinical Application of Radiofrequency Ablation in the Treatment of Primary Low-risk Papillary Thyroid Microcarcinoma. CURRENT OTORHINOLARYNGOLOGY REPORTS 2021. [DOI: 10.1007/s40136-020-00327-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
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18
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Yan L, Zhang M, Song Q, Xiao J, Zhang Y, Luo Y. The Efficacy and Safety of Radiofrequency Ablation for Bilateral Papillary Thyroid Microcarcinoma. Front Endocrinol (Lausanne) 2021; 12:663636. [PMID: 34177804 PMCID: PMC8227434 DOI: 10.3389/fendo.2021.663636] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/03/2021] [Accepted: 05/03/2021] [Indexed: 12/29/2022] Open
Abstract
OBJECTIVE To investigate the long-term clinical results of radiofrequency ablation (RFA) for bilateral papillary thyroid microcarcinoma (PTMC). MATERIALS AND METHODS From October 2014 to February 2018, 47 patients (37 females, 10 males, mean age 43.39 ± 9.26 years) with 100 bilateral PTMC (mean volume 75.22 ± 73.87 mm3) treated by RFA were included in this retrospective study. Bilateral PTMC was defined as at least one tumor located in the contralateral lobe. Patients were followed up at 1, 3, 6, 12 months and every 6-12 months thereafter. Volume, volume reduction ratio (VRR) and local tumor recurrence were evaluated during the follow-up period. RESULTS After a mean follow-up period of 47.77 ± 11.54 months, the mean volume of bilateral PTMC decreased from 75.22 ± 73.87 mm3 to 0.09 ± 0.44 mm3. The mean VRR was 99.94 ± 0.28% and the complete disappearance rate was 92.00%. During the follow-up, one patient (2.13%) developed lymph node metastasis and two patients (4.26%) had recurrent PTMC. All the recurrent lesions underwent additional RFA and two of them disappeared completely. No life-threatening or delayed complications occurred. CONCLUSIONS With sufficient preoperative evaluation, RFA might be a promising alternative for bilateral PTMC patients who were unsuitable for surgery or refused surgery.
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Affiliation(s)
- Lin Yan
- Department of Ultrasound, First Medical Center, Chinese PLA General Hospital, Beijing, China
| | - Mingbo Zhang
- Department of Ultrasound, First Medical Center, Chinese PLA General Hospital, Beijing, China
| | - Qing Song
- Department of Ultrasound, First Medical Center, Chinese PLA General Hospital, Beijing, China
| | - Jing Xiao
- Department of Ultrasound, First Medical Center, Chinese PLA General Hospital, Beijing, China
| | - Ying Zhang
- Department of Ultrasound, First Medical Center, Chinese PLA General Hospital, Beijing, China
| | - Yukun Luo
- Department of Ultrasound, First Medical Center, Chinese PLA General Hospital, Beijing, China
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19
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Lu C, Li X, Chu X, Li R, Li J, Wang J, Wang Y, Xu Y, Chen G, Xu S, Liu C. Clinical Effects of Microwave Ablation in the Treatment of Low-Risk Papillary Thyroid Microcarcinomas and Related Histopathological Changes. Front Endocrinol (Lausanne) 2021; 12:751213. [PMID: 34603216 PMCID: PMC8482998 DOI: 10.3389/fendo.2021.751213] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/31/2021] [Accepted: 08/27/2021] [Indexed: 12/15/2022] Open
Abstract
OBJECTIVE This study aimed to evaluate the feasibility and efficacy of ultrasound-guided percutaneous microwave ablation (MWA) in the treatment of low-risk papillary thyroid microcarcinoma (PTMC), and to observe the histopathological changes after MWA. METHODS MWA was performed under ultrasound guidance for 73 unifocal PTMC patients without clinically cervical or distant metastasis. The target ablation zone exceeded the tumor edge (judged by contrast-enhanced US) to avoid marginal residue and recurrence. Ultrasound evaluation was performed at 1 day, 1, 3, 6, 12 and 24 months after treatment, and thyroid function evaluation at the first 6 months. Repeated fine needle aspiration cytology or core needle biopsy pathology was performed at 3 or 6 months after MWA to evaluate residual tumors. Any adverse event associated with MWA was evaluated. RESULTS The follow-up after MWA lasted 6 (6, 12) months. Tumor volume decreased significantly from 0.06 mm3 (0.04, 0.11 mm3) to 0.03 mm3 (0.00, 0.06 mm3) at 12 months after MWA (P< 0.001), with a median volume reduction ratio of 80.28% (-7.43, 100%) and 16 cases (21.92%) presenting complete remission. The largest diameter, volume and ablation energy were found to be different in patients with and without complete remission 12 months after MWA. On histopathological examinations, no atypical or malignant follicular cells were identified after thermal ablation. The most common pathological characteristics were fibroblastic proliferation (34/39, 87.18%) and chronic inflammation (32/39, 82.05%), followed by infarction (21/39, 53.85%). Five patients were transferred to thyroidectomy and 4 of them were confirmed with local recurrence and/or lymph node metastasis. Serum thyrotropin decreased transiently after MWA (P< 0.01) but normalized thereafter. No serious and permanent complications were reported. CONCLUSIONS MWA is a safe and effective treatment for low-risk PTMC. Fibroblastic proliferation and chronic inflammation are the most common pathological changes after MWA of PTMC.
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Affiliation(s)
- Chenya Lu
- Endocrine and Diabetes Center, Affiliated Hospital of Integrated Traditional Chinese and Western Medicine, Nanjing University of Chinese Medicine, Jiangsu Province Academy of Traditional Chinese Medicine, Nanjing, China
| | - Xingjia Li
- Endocrine and Diabetes Center, Affiliated Hospital of Integrated Traditional Chinese and Western Medicine, Nanjing University of Chinese Medicine, Jiangsu Province Academy of Traditional Chinese Medicine, Nanjing, China
- Key Laboratory of TCM Syndrome & Treatment of Yingbing of State Administration of Traditional Chinese Medicine, Jiangsu Province Academy of Traditional Chinese Medicine, Nanjing, China
| | - Xiaoqiu Chu
- Endocrine and Diabetes Center, Affiliated Hospital of Integrated Traditional Chinese and Western Medicine, Nanjing University of Chinese Medicine, Jiangsu Province Academy of Traditional Chinese Medicine, Nanjing, China
| | - Ruiping Li
- Department of Pathology, Affiliated Hospital of Integrated Traditional Chinese and Western Medicine, Nanjing University of Chinese Medicine, Jiangsu Province Academy of Traditional Chinese Medicine, Nanjing, China
| | - Jie Li
- Department of Ultrasound, Affiliated Hospital of Integrated Traditional Chinese and Western Medicine, Nanjing University of Chinese Medicine, Jiangsu Province Academy of Traditional Chinese Medicine, Nanjing, China
| | - Jianhua Wang
- Department of General Surgery, Affiliated Hospital of Integrated Traditional Chinese and Western Medicine, Nanjing University of Chinese Medicine, Jiangsu Province Academy of Traditional Chinese Medicine, Nanjing, China
| | - Yalin Wang
- Endocrine and Diabetes Center, Affiliated Hospital of Integrated Traditional Chinese and Western Medicine, Nanjing University of Chinese Medicine, Jiangsu Province Academy of Traditional Chinese Medicine, Nanjing, China
| | - Yang Xu
- Endocrine and Diabetes Center, Affiliated Hospital of Integrated Traditional Chinese and Western Medicine, Nanjing University of Chinese Medicine, Jiangsu Province Academy of Traditional Chinese Medicine, Nanjing, China
| | - Guofang Chen
- Endocrine and Diabetes Center, Affiliated Hospital of Integrated Traditional Chinese and Western Medicine, Nanjing University of Chinese Medicine, Jiangsu Province Academy of Traditional Chinese Medicine, Nanjing, China
- Key Laboratory of TCM Syndrome & Treatment of Yingbing of State Administration of Traditional Chinese Medicine, Jiangsu Province Academy of Traditional Chinese Medicine, Nanjing, China
| | - Shuhang Xu
- Endocrine and Diabetes Center, Affiliated Hospital of Integrated Traditional Chinese and Western Medicine, Nanjing University of Chinese Medicine, Jiangsu Province Academy of Traditional Chinese Medicine, Nanjing, China
- *Correspondence: Shuhang Xu, ; Chao Liu,
| | - Chao Liu
- Endocrine and Diabetes Center, Affiliated Hospital of Integrated Traditional Chinese and Western Medicine, Nanjing University of Chinese Medicine, Jiangsu Province Academy of Traditional Chinese Medicine, Nanjing, China
- Key Laboratory of TCM Syndrome & Treatment of Yingbing of State Administration of Traditional Chinese Medicine, Jiangsu Province Academy of Traditional Chinese Medicine, Nanjing, China
- *Correspondence: Shuhang Xu, ; Chao Liu,
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