Whole-body iodine scan after total thyroidectomy is not recommended for which thyroid cancer ?
Correct Answer: Medullary thyroid cancer
Description: Whole-body iodine scan is recommended for differentiated thyroid cancer , which fulfill following conditions : Tumors - between 1cm-4cm Confined to the thyroid Do not have nodal or distant metastasis, Adverse histologic subtype (tall cell) Vascular invasion. =Unlike differentiated thyroid cancer, Medullary thyroid carcinoma cells do not concentrate radioactive iodine and are not sensitive to manipulation of thyroid-stimulating hormone.
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