TG and differentiated thyroid carcinoma: In patients with differentiated thyroid cancer (DTC) after surgical treatment and adjuvant treatment with radioiodine (131I), which is the most useful methods recommended by European and American scientific societies to confirm remission and exclude recurrence and/or dissemination are monitoring the concentration of thyroglobulin (Tg) after TSH (thyroid stimulating hormone) stimulation (i.e., stimulated thyroglobulin—sTg), an ultrasound of the neck and diagnostic whole-body scintigraphy (WBS) with 131I [1].