Why is iodine 131 used to treat cancer?

How does iodine 131 Treat cancer?

Iodine-131 is a radioactive form of iodine that destroys cancer cells. It’s usually given as a capsule which is taken up by thyroid cells, the only cells in the body that can absorb it. The radiation that it produces damages any cancer cells.

What are the benefits of using iodine 131?

The potential benefits of I-131 adjuvant treatment include decreasing recurrence and disease-specific mortality for unknown microscopic, locoregional, and/or distant metastatic disease.

How does radioactive iodine kill cancer cells?

Radioactive iodine is also called I-131 or RAI. The thyroid gland absorbs nearly all the iodine in the blood. So when a large dose of radioactive iodine is taken, the radiation collects in thyroid cells. This way it can destroy the thyroid gland and thyroid cancer cells with little effect on the rest of the body.

How long does iodine 131 stay in the body?

The radioiodine from your treatment will temporarily remain in your body. Most of the radioiodine not taken up by your thyroid gland will be eliminated within the first (2) two days after treatment. Radioiodine leaves your body primarily by your urine. Very small amounts may leave in your saliva, sweat, or feces.

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Why is iodine 131 harmful to our bodies?

I-131 collects in the thyroid gland. People exposed to I-131, especially during childhood, may have an increased risk of thyroid disease, including thyroid cancer. Thyroid cancer is uncommon and is usually curable. Typically, it is a slow-growing cancer that is highly treatable.

What are the side effects of iodine-131?

Common side effects of Sodium Iodide I 131 include nausea, vomiting, chest pain, rapid heart rate, itching skin, rash, and hives. Dosing of Sodium Iodide I 131 ranges widely from 5 to 1000 microcuries, depending on the procedure being performed.

How safe is iodine-131?

Radioiodine (sodium I-131) is a form of radiation therapy that has been used for many years to treat thyroid conditions. It is safe and effective but requires you to observe certain precautions to decrease the small amount of radiation that other people may receive from your body and bodily fluids.

Does radioactive iodine shorten your life?

Quality of life is worse at 6-10 years after radioactive iodine therapy of Graves’ disease compared with treatment with antithyroid drugs or surgery. Quality of life is worse at 6-10 years after radioactive iodine therapy of Graves’ disease compared with treatment with antithyroid drugs or surgery.

How do I clean my house after radioactive iodine treatment?

The iodine-131 will wash out in the laundry.

To decrease the spread of radioactivity:

  1. If possible, use a separate bathroom.
  2. Flush the toilet two times after each use.
  3. Men should sit down when urinating.
  4. If urine should be spilled/splashed, wash and rinse the affected area three times, using paper towels or tissue.
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How will I feel after radioactive iodine?

A swollen or tender neck and feeling flushed

Some people may have a feeling of tightness or swelling in their neck for a few days after treatment. This is more common if you still had a large part of your thyroid gland when you have radioactive iodine treatment. Some people also feel flushed.

How can you protect yourself from iodine-131?

Avoid prolonged physical contact, particularly with children and pregnant women; limit to 15 minutes. Do not resume care of an infant or breastfeeding until your doctor tells you that you can. Stay 3 to 6 feet away from other people, except when contact is necessary. Do not prepare or serve food to other people.

Does radioactive iodine make you lose hair?

Radioactive iodine does not produce hair loss. Nevertheless, hair loss can be associated with changing levels of thyroid hormone, and may be experienced by some patients with hypo or hyperthyroidism.

How does the body get rid of excess iodine?

Treatment of Iodine Excess

People with excess iodine are advised to use salt that is not fortified with iodine and to reduce their consumption of foods that contain iodine, such as seafood, seaweed, yogurt, and milk.