What is the role of radioactive iodine scanning in the diagnosis of Graves disease?

Updated: Apr 17, 2020
  • Author: Sai-Ching Jim Yeung, MD, PhD, FACP; Chief Editor: Romesh Khardori, MD, PhD, FACP  more...
  • Print
Answer

Radioactive iodine scanning and measurements of iodine uptake are useful in differentiating the causes of hyperthyroidism. In Graves disease, the radioactive iodine uptake is increased, and the uptake is diffusely distributed over the entire gland. [3]


Did this answer your question?
Additional feedback? (Optional)
Thank you for your feedback!