The amplification of thyroglobulin (TG) mRNA in peripheral blood of patients with thyroid cancer has been studied for almost one decade, but its real contribution for diagnosis of cancer relapse has not yet been established. In the present paper we report the case of a patient with papillary thyroid cancer with undetectable stimulated serum thyrogobulin levels after thyroid ablation. Follow-up showed the presence of high titers of anti-thyroglobulin antibodies and the presence of TG mRNA in a peripheral blood sample, […]