The Importance of Nodule Size in the Management of Ruptured Thyroid Nodule After Radiofrequency Ablation: A Retrospective Study and Literature Review

BackgroundNodule rupture is a relatively uncommon yet severe complication of radiofrequency ablation (RFA). When nodule rupture occurs, determining suitable therapeutic management is a critical issue. A study herein aimed to identify the predictive factors affecting the management of post-RFA nodule...

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Main Authors: Wen-Chieh Chen, Sheng-Dean Luo, Wei-Chih Chen, Chen-Kai Chou, Yen-Hsiang Chang, Kai-Lun Cheng, Wei-Che Lin
Format: Article
Language:English
Published: Frontiers Media S.A. 2021-11-01
Series:Frontiers in Endocrinology
Subjects:
Online Access:https://www.frontiersin.org/articles/10.3389/fendo.2021.776919/full
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author Wen-Chieh Chen
Sheng-Dean Luo
Wei-Chih Chen
Chen-Kai Chou
Yen-Hsiang Chang
Kai-Lun Cheng
Kai-Lun Cheng
Wei-Che Lin
author_facet Wen-Chieh Chen
Sheng-Dean Luo
Wei-Chih Chen
Chen-Kai Chou
Yen-Hsiang Chang
Kai-Lun Cheng
Kai-Lun Cheng
Wei-Che Lin
author_sort Wen-Chieh Chen
collection DOAJ
description BackgroundNodule rupture is a relatively uncommon yet severe complication of radiofrequency ablation (RFA). When nodule rupture occurs, determining suitable therapeutic management is a critical issue. A study herein aimed to identify the predictive factors affecting the management of post-RFA nodule rupture.MethodsPost-RFA nodule rupture data of 9 patients were enrolled from 2 medical centers. A literature investigation was performed, uncovering nodule rupture data of 17 patients. A total of 26 patients were analyzed and divided into two groups, categorized as patients requiring either invasive or conservative therapeutic management. Data including initial symptoms, imaging, therapeutic management, and prognosis were reviewed and compared between the two groups.ResultsSignificant differences in nodule diameter, and the ablation time of the course prior to rupture (RUP time) were noted between the two groups (p = 0.045 and 0.008, respectively). Logistic regression analysis indicated the initial nodule diameter and RUP time significantly affected the requirement of invasive treatment (OR 1.99 and 1.11, respectively). Considering practicality, when a nodule with an initial maximum diameter of >4.5cm ruptured, invasive management was suggested (sensitivity 69% and specificity 79%).ConclusionThough nodule ruptures can be managed conservatively, a ruptured nodule with an initial maximum diameter of >4.5cm may require invasive management. Understanding the significant clinical and imaging features will help physicians make an appropriate risk assessment to determine the correct treatment in a timely manner.
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spelling doaj.art-32dcf08fed2742c1a332fd1cec7d93502022-12-21T21:24:20ZengFrontiers Media S.A.Frontiers in Endocrinology1664-23922021-11-011210.3389/fendo.2021.776919776919The Importance of Nodule Size in the Management of Ruptured Thyroid Nodule After Radiofrequency Ablation: A Retrospective Study and Literature ReviewWen-Chieh Chen0Sheng-Dean Luo1Wei-Chih Chen2Chen-Kai Chou3Yen-Hsiang Chang4Kai-Lun Cheng5Kai-Lun Cheng6Wei-Che Lin7Division of Endocrinology and Metabolism, Department of Internal Medicine, Kaohsiung Chang Gung Memorial Hospital, and Chang Gung University College of Medicine, Kaohsiung, TaiwanDepartment of Otolaryngology, Kaohsiung Chang Gung Memorial Hospital, and Chang Gung University College of Medicine, Kaohsiung, TaiwanDepartment of Otolaryngology, Kaohsiung Chang Gung Memorial Hospital, and Chang Gung University College of Medicine, Kaohsiung, TaiwanDivision of Endocrinology and Metabolism, Department of Internal Medicine, Kaohsiung Chang Gung Memorial Hospital, and Chang Gung University College of Medicine, Kaohsiung, TaiwanDepartment of Nuclear Medicine, Kaohsiung Chang Gung Memorial Hospital, and Chang Gung University College of Medicine, Kaohsiung, TaiwanDepartment of Medical Imaging, Chung Shan Medical University Hospital, Taichung, TaiwanSchool of Medical Imaging and Radiological Sciences, Chung Shan Medical University, Taichung, TaiwanDepartment of Diagnostic Radiology, Kaohsiung Chang Gung Memorial Hospital, and Chang Gung University College of Medicine, Kaohsiung, TaiwanBackgroundNodule rupture is a relatively uncommon yet severe complication of radiofrequency ablation (RFA). When nodule rupture occurs, determining suitable therapeutic management is a critical issue. A study herein aimed to identify the predictive factors affecting the management of post-RFA nodule rupture.MethodsPost-RFA nodule rupture data of 9 patients were enrolled from 2 medical centers. A literature investigation was performed, uncovering nodule rupture data of 17 patients. A total of 26 patients were analyzed and divided into two groups, categorized as patients requiring either invasive or conservative therapeutic management. Data including initial symptoms, imaging, therapeutic management, and prognosis were reviewed and compared between the two groups.ResultsSignificant differences in nodule diameter, and the ablation time of the course prior to rupture (RUP time) were noted between the two groups (p = 0.045 and 0.008, respectively). Logistic regression analysis indicated the initial nodule diameter and RUP time significantly affected the requirement of invasive treatment (OR 1.99 and 1.11, respectively). Considering practicality, when a nodule with an initial maximum diameter of >4.5cm ruptured, invasive management was suggested (sensitivity 69% and specificity 79%).ConclusionThough nodule ruptures can be managed conservatively, a ruptured nodule with an initial maximum diameter of >4.5cm may require invasive management. Understanding the significant clinical and imaging features will help physicians make an appropriate risk assessment to determine the correct treatment in a timely manner.https://www.frontiersin.org/articles/10.3389/fendo.2021.776919/fullthyroid noduleultrasoundradiofrequency ablationcomplicationnodule rupture
spellingShingle Wen-Chieh Chen
Sheng-Dean Luo
Wei-Chih Chen
Chen-Kai Chou
Yen-Hsiang Chang
Kai-Lun Cheng
Kai-Lun Cheng
Wei-Che Lin
The Importance of Nodule Size in the Management of Ruptured Thyroid Nodule After Radiofrequency Ablation: A Retrospective Study and Literature Review
Frontiers in Endocrinology
thyroid nodule
ultrasound
radiofrequency ablation
complication
nodule rupture
title The Importance of Nodule Size in the Management of Ruptured Thyroid Nodule After Radiofrequency Ablation: A Retrospective Study and Literature Review
title_full The Importance of Nodule Size in the Management of Ruptured Thyroid Nodule After Radiofrequency Ablation: A Retrospective Study and Literature Review
title_fullStr The Importance of Nodule Size in the Management of Ruptured Thyroid Nodule After Radiofrequency Ablation: A Retrospective Study and Literature Review
title_full_unstemmed The Importance of Nodule Size in the Management of Ruptured Thyroid Nodule After Radiofrequency Ablation: A Retrospective Study and Literature Review
title_short The Importance of Nodule Size in the Management of Ruptured Thyroid Nodule After Radiofrequency Ablation: A Retrospective Study and Literature Review
title_sort importance of nodule size in the management of ruptured thyroid nodule after radiofrequency ablation a retrospective study and literature review
topic thyroid nodule
ultrasound
radiofrequency ablation
complication
nodule rupture
url https://www.frontiersin.org/articles/10.3389/fendo.2021.776919/full
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