How do you get thyroid cancer?

Medullary thyroid cancer People who have medullary thyroid cancer (MTC) have mutations in different parts of the RET gene compared with papillary carcinoma patients. Nearly all patients with the inherited form of MTC and about 1 of every 10 with the sporadic (non-inherited) form of MTC have a mutation in the RET gene. read more

In eight out of 10 cases of medullary thyroid cancer, for example, the cancer is a result of an abnormal gene you’ve inherited. Iodine deficiency. If you don’t get much of this chemical element in your diet, you could be at more risk for certain types of thyroid cancer. read more

Routine x-rays such as those performed during a dental examination or mammography do not cause thyroid cancer. The sources of radiation that may increase the risk for thyroid cancer include: Before 1950, low to moderate doses of x-ray therapy were used to treat adolescents with tonsillitis or acne. read more

Thyroid cancer is more common in women than men. Women tend to get thyroid cancer in their 40s and 50s, while men who get it are usually in their 60s or 70s. Follicular thyroid cancer mostly happens to people who are over 50. Anaplastic thyroid cancer usually happens after 60. You can still get thyroid cancer if you’re younger. read more