Radio active Iodine in Thyroid Cancer

Q) Which of the following is not true about Radioactive Iodine (RAI) use in thyroid cancer? (Thyroid onco) 

a) Screening with RAI  is less sensitive than Thyroglobulin estimation in most differentiated thyroid cancers for detecting metastasis

b) Metastatic differentiated thyroid carcinoma can be detected by  131I in about 50% of patients

c) Current guidelines s recommend RAI after total thyroidectomy only for patients with known distant metastases

d) Hurthle cell cancer des not take up RAI



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