Radioactive iodine
Tg/LT4
All patients will have Tg/LT4 measured 8 +/− 2 weeks postoperatively, before stimulation with recombinant human thyrotropin (rhTSH).Then, for all patients (whichever the group), radioactive iodine will be administered after 2 months but within 4 months postoperatively: 30 mCi (1.1 GBq) A ß-HCG test (serum or urine) will be performed before any radioiodine administration.