What is the role of radioiodine therapy in the management of thyroid cancer?

Updated: May 14, 2020
  • Author: Pramod K Sharma, MD; Chief Editor: Arlen D Meyers, MD, MBA  more...
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NCCN guidelines recommend radioiodine (131I) therapy if any of the following are present [33] :

  • Extrathyroidal extension
  • Tumor >4 cm in diameter
  • Postoperative unstimulated Tg level >5-10 ng/mL

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