![]() Thus, a designated electrode for thyroid nodules (different from the conventional electrode used for RFA of liver tumors) is needed. Unlike hepatic tumors, thyroid nodules are relatively elliptical, and do not have sufficient boundaries separating them from the surrounding major structures. ![]() RFA results in significant improvement of thyroid nodule-related symptoms and cosmetic problems by reducing the nodule volume ( 6, 7). US-guided radiofrequency ablation (RFA) for thyroid nodules has been accepted as a safe and effective treatment modality ( 3, 4, 5), and largely replaced surgery for the treatment of symptomatic benign thyroid lesions. Thyroid nodules are a common clinical problem, and their incidence has increased with the recent application of thyroid ultrasound (US) ( 1, 2).
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