Which of the following is used in the treatment of well differentiated thyroid carcinoma:: (A) I-131, (B) Technetium Scan, (C) Phosphate, (D) MIBG
Answer is A. Ans. (a) I131Ref: Schwartz 10th edition, Page 1543* I131 is used in the treatment of metastatic well differentiated cancers.* I123, Tc 99m are all used only for diagnostic purposes.