Stimulated thyroglobulin values above 5.6 ng/ml before radioactive iodine ablation treatment following levothyroxine withdrawal is associated with a 2.38-fold risk of relapse in Tg-ab negative subjects with differentiated thyroid cancer.
Umut MousaA S YikilmazA NarPublished in: Clinical & translational oncology : official publication of the Federation of Spanish Oncology Societies and of the National Cancer Institute of Mexico (2017)
As a result of this study, we determined that the optimum cut-off level for both ASTg and LSTg may be lower than those previously reported. Using such a lower cut-off may improve sensitivity for detecting relapse.