Textbook in PDF format Minimally invasive ultrasound (US)-guided thyroid treatment modalities are becoming effective and safe alternatives to classic surgeries in patients with benign thyroid cysts, solid nonfunctioning benign thyroid nodules that grow or become symptomatic, and in solid hyper-functioning nodules. In addition, they have an effective role in the management of primary micropapillary tumors or recurrent thyroid cancers in patients not suitable for surgery or patients who decline it