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Does radio active treatment in thyroid leads to cancer?

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Radioactive iodine therapy cannot be used to treat anaplastic (undifferentiated) and medullary thyroid carcinomas because these types of cancer do not take ... This causes very low thyroid hormone levels (a condition known as hypothyroidism), which in turn causes the pituitary gland to release more TSH. read more

One of the risk factors of cancer is exposure to radioactivity (via medical tests like plain film x-rays, CT scans, bone scans, mammograms, bone density scans, barium enemas, and even cancer radiation therapy as well as exposure to natural or Fukushima/Nagasaki type radiation). read more

Radioactive iodine therapy cannot be used to treat anaplastic (undifferentiated) and medullary thyroid carcinomas because these types of cancer do not take up iodine. For RAI therapy to be most effective, patients must have high levels of thyroid-stimulating hormone (TSH or thyrotropin) in the blood. read more

It is more often used as part of the treatment for medullary thyroid cancer and anaplastic thyroid cancer. When a cancer that does not take up iodine has spread beyond the thyroid, external radiation treatment may help treat the cancer or reduce the chance of the disease coming back in the neck after surgery. read more

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