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ORIGINAL RESEARCH article
Front. Endocrinol.
Sec. Cancer Endocrinology
Volume 16 - 2025 | doi: 10.3389/fendo.2025.1580765
This article is part of the Research Topic Advances in Management of Aggressive Thyroid Cancer: Medullary and Advanced Thyroid Cancer View all articles
A Preliminary Clinical Study of Microwave Ablation for Cervical Lymph Node
Provisionally accepted- China-Japan Friendship Hospital, Beijing, Beijing Municipality, China
Purpose The aim of this study is to evaluate the efficacy and safety of microwave ablation (MWA) for cervical lymph node metastasis (LNM) in initially treated, post-ablation and post-resection papillary thyroid cancer (PTC) patients.A total of 131 patients with 535 LNM from PTC who underwent ultrasound-guided MWA were included in the retrospective study. Patients were divided into three subgroups on the basis of treatment timing: initially treated, after PTC ablation (post-ablation), or after resection (postresection). Changes in cervical metastatic lymph nodes as well as the incidences of complications, tumour recurrence and progression were compared.The technical success rate of this study was 100% (535/535).Compared with those before MWA, the mean largest diameter and volume of the metastatic lymph nodes were significantly lower (p <0.01) at each follow-up. Transient hoarseness was the exclusive major complication with a total rate of 5.3% (9/171), which significantly differed in terms of incidence among the three subgroups (p<0.01). Lymph node location in region VI was an independent risk factor for transient hoarseness. The total recurrence rate was 22.8% (39/171) without statistically significant difference among the three sub-groups (p=0.20). Two cases received repeated surgery, while re-ablation was conducted successfully in all rest of cases. Data from the latest follow-up revealed one death due to LNM.Conclusion MWA is a safe and effective treatment option for LNM in initially treated, post-resection and post-ablation PTC patients.
Keywords: Cervical lymph node metastasis, Papillary thyroid cancer, Microwave ablation, Tumor recurrence and metastasis, minimally invasive treatment
Received: 21 Feb 2025; Accepted: 02 Apr 2025.
Copyright: © 2025 Wu, wei, Zhao, Cao, Li, Peng, Li and Yu. This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) or licensor are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.
* Correspondence:
Ming-an Yu, China-Japan Friendship Hospital, Beijing, 100029, Beijing Municipality, China
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