Prognostic value of serial serum thyroglobulin determinations after total thyroidectomy for differentiated thyroid cancer

Serial weekly serum samples (for 3 weeks) were obtained from 42 patients with differentiated thyroid cancer (DTC, papillary no.=35, follicular no.=6, Hurthle cell no.=1) for serum thyroid hormone, TSH and TG before and after total thyroidectomy. Serum specimens were also obtained one month after radioiodine (131I) therapy followed by suppressive dose of L-thyroxine (L-T4, 2.5 μg/kg). The patients were subdivided into four groups: group I: the...