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Treatment for thyroid cancer depends on the type of thyroid cancer you have and how far it has spread.
The main treatments are:
You'll also need continuing care after treatment to check for and prevent any further problems.
You'll be cared for throughout your treatment by a team of healthcare professionals. Your team will recommend what they feel is the best treatment for you.
This will largely depend on the type of thyroid cancer you have. For example:
You may want to write down a list of questions to ask your team before you go to hospital to discuss your treatment options.
Surgery is the first treatment for most types of thyroid cancer. It may involve removing:
The operation is carried out under a general anaesthetic, where you're asleep. Most people are well enough to leave hospital after a few days.
You'll need to rest at home for a few weeks and avoid any activities that could put a strain on your neck, such as heavy lifting. You'll have a small scar on your neck, but this should become less noticeable over time.
It's a good idea to talk to your surgeon about the exact operation they recommend and find out what it involves.
A course of radioactive iodine treatment is often recommended after surgery. This will help destroy any remaining cancer cells in your body and reduce the risk of the cancer returning.
An iodine-rich diet may reduce the effectiveness of radioactive iodine treatment, so you'll be advised to follow a low-iodine diet for a week or two before treatment begins.
It's recommended that you:
Tell your care team if you think you could be pregnant, as the treatment isn't safe during pregnancy.
Women should avoid getting pregnant for at least six months afterwards, and men should avoid fathering a child for at least four months.
If you're breastfeeding, you'll ideally need to stop for at least eight weeks before treatment starts.
You should avoid breastfeeding your current child after treatment, but you can safely breastfeed any babies you may have in the future.
Radioactive iodine treatment involves swallowing radioactive iodine in either liquid or capsule form. The iodine travels through your blood and kills any cancerous cells.
You'll need to stay in hospital for a few days afterwards because the iodine will make your body slightly radioactive. As a precaution, you'll need to stay in a single room and won't be able to have visitors at first.
You'll be able to have visitors and go home once the radiation levels in your body have come down. Your care team will advise you whether you need to take any precautions after going home.
Side effects of radioactive iodine treatment are uncommon, but can include:
The treatment doesn't affect fertility in women. Fertility can be reduced in men after treatment, but it should improve over time.
External radiotherapy may be used to reduce the risk of thyroid cancer coming back after surgery if radioactive iodine treatment isn't suitable or is ineffective.
It can also be used to control symptoms of advanced or anaplastic thyroid carcinomas if they can't be fully removed with surgery.
External radiotherapy usually involves treatment once a day from Monday to Friday, with a break at weekends, for four to six weeks.
Side effects of radiotherapy can include:
These side effects should pass within a few weeks of treatment finishing.
Chemotherapy is rarely used for thyroid cancer nowadays, but it's sometimes used to treat anaplastic thyroid carcinomas that have spread to other parts of the body.
It involves taking powerful medicines that kill cancerous cells. It doesn't cure thyroid cancer, but may help control the symptoms.
More recently, newer medicines known as targeted therapies have been used more widely to treat several types of thyroid cancer.
These specifically target cancer cells, rather than harming healthy cells at the same time as chemotherapy does.
Targeted therapies still aren't offered routinely on the NHS, but may be available through the Cancer Drugs Fund in special circumstances.
Alternatively, your care team may suggest taking part in a clinical trial studying targeted therapies for thyroid cancer.
After your treatment has finished you may need to continue taking medication to reduce the risk of further problems.
You'll also be advised to have regular check-ups to look for signs of the cancer coming back.
If some or all of your thyroid gland is removed, it will no longer produce thyroid hormones.
This means you'll need to take replacement hormone tablets for the rest of your life to prevent symptoms of an underactive thyroid, such as fatigue, weight gain and dry skin.
Occasionally, the parathyroid glands can be affected during surgery. These glands are located close to the thyroid gland and help regulate the levels of calcium in your blood.
If your parathyroid glands are affected, your calcium levels may temporarily decrease. If this happens, you might need to take calcium supplements until the glands start to function normally again.
Thyroid cancer can come back after treatment, so you'll be asked to attend regular check-ups to look for signs of this.
You may need tests every few months to begin with, but they'll be needed less frequently over time.
Tests you may have include:
Treatment will usually need to be repeated if your cancer does come back.