Primary prevention

Early diagnosis and intervention based on genetic testing is indicated when there is a family history of inherited thyroid cancer.[4]

Prophylactic thyroidectomy is recommended for carriers of high-risk familial REarranged during Transfection (RET) pathogenic variants (e.g., M918T mutations).[37] Timing of surgery is informed by the aggressiveness of the RET pathogenic variant.[37] Surgery may potentially be deferred in patients with less high risk RET pathogenic variants.

In the case of a nuclear accident, local age-specific guidelines should be immediately consulted regarding potassium iodide prophylaxis.[38] US Department of Health and Human Services: potassium iodide Opens in new window

Secondary prevention

People with a family history of multiple endocrine neoplasia (MEN) type 2A (MEN2A), MEN2B, or isolated familial medullary thyroid cancer should receive genetic counseling and testing.

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