Although ethanol ablation (EA) is effective, refractory cases have been reported in 5-25% of patients, with a marked decline in efficacy on subsequent reattempt. The aim of this study was to evaluate the role of radiofrequency ablation (RFA) after EA of benign thyroid nodules in patients with incompletely resolved initial clinical problems.
Department of Radiology and Research Institute of Radiology, University of Ulsan College of Medicine, Asan Medical Center, #388-1 Poongnap-2dong, Songpa-gu, Seoul, 138-736, Korea.
