Korean J Radiol.  2017 Jun;18(3):461-469. 10.3348/kjr.2017.18.3.461.

Innovative Techniques for Image-Guided Ablation of Benign Thyroid Nodules: Combined Ethanol and Radiofrequency Ablation

Affiliations
  • 1Department of Radiology and Research Institute of Radiology, University of Ulsan College of Medicine, Asan Medical Center, Seoul 05505, Korea. radbaek@naver.com

Abstract

In the treatment of benign thyroid nodules, ethanol ablation (EA), and radiofrequency ablation (RFA) have been suggested for cystic and solid thyroid nodules, respectively. Although combining these ablation techniques may be effective, no guidelines for or reviews of the combination have been published. Currently, there are three ways of combining EA and RFA: additional RFA is effective for treatment of incompletely resolved symptoms and solid residual portions of a thyroid nodule after EA. Additional EA can be performed for the residual unablated solid portion of a nodule after RFA if it is adjacent to critical structures (e.g., trachea, esophagus, and recurrent laryngeal nerve). In the concomitant procedure, ethanol is injected to control venous oozing after aspiration of cystic fluid prior to RFA of the remaining solid nodule.

Keyword

Benign thyroid nodule; Image-guided ablation; Radiofrequency; Ethanol

MeSH Terms

Catheter Ablation/adverse effects
Ethanol/*administration & dosage
Humans
Postoperative Complications
Thyroid Nodule/diagnostic imaging/*surgery
Treatment Outcome
Ultrasonography
Ethanol
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