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Thyroid Nodules

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Thyroid Conditions related image Photo: Getty Images

Thyroid nodules are small lumps in the thyroid gland. Often they go unnoticed until they have grown and cause the thyroid to become enlarged.

Nodules are usually harmless but if you notice any unusual lumps you should see your doctor to rule out anything more serious. Most nodules are non-cancerous growths of thyroid tissue or they are filled with fluid.

Nodules filled with fluid are called cysts. Only 5 percent of thyroid nodules are cancerous.

If you have ever had radiation applied to the neck or head, you should inform your doctor as you will be at a slightly increased risk of having thyroid cancer.


Most nodules don’t have any symptoms, other than an enlarged thyroid but if it is cancerous you may have the following symptoms:

• Swollen lymph nodes
• Hoarse voice
• Difficulty swallowing food and drink
• Difficulty breathing

These symptoms don’t necessarily mean you have cancer, but you should get them checked out as soon as possible. If you have difficulty breathing, call an ambulance.


Your doctor will examine your thyroid gland where he should be able to feel the nodule. You will be given blood tests to see if your thyroid gland is functioning correctly and help rule out or confirm cancer.

You may also be offered an ultrasound scan of your thyroid that will show up any nodules. You may be administered a small amount of radioactive material and then scanned to see if the nodule is producing hormones. This is called a thyroid scan.

If a nodule is detected, a biopsy will be taken to see if it is cancerous. This involves having a needle inserted into the nodule to remove a sample of it, which is then sent for examination under a microscope.


The majority of nodules are benign. If that is the finding in your case, your doctor may leave it where it is and re-examine you at follow-up appointments every six months to a year.

Otherwise he may give you thyroid hormones to help shrink the nodule. If the nodule is caused by hyperthyroidism, it should respond positively to thyroid hormone treatment. If you have a cyst, your doctor may decide to drain it.

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We value and respect our HERWriters' experiences, but everyone is different. Many of our writers are speaking from personal experience, and what's worked for them may not work for you. Their articles are not a substitute for medical advice, although we hope you can gain knowledge from their insight.

Thyroid Conditions

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