Thyroid Nodules

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Cause

Experts do not know the exact cause of thyroid nodules. But they do know that people who have been exposed to radiation have a greater chance of developing thyroid nodules. Exposure to environmental radiation or past radiation treatment to the head, neck, and chest (especially during childhood) raises your risk for thyroid nodules.

Experts know that thyroid nodules run in families. This means you are more likely to have a thyroid nodule if one of your parents has had a thyroid nodule.

Recommended Related to Thyroid Disorders

Understanding Graves' Disease -- the Basics

First described by Sir Robert Graves in the early 19th century, Graves' disease is one of the most common of all thyroid problems. It is also the leading cause of hyperthyroidism, a condition in which the thyroid gland produces excessive hormones. Once the disorder has been correctly diagnosed, it is quite easy to treat. In some cases, Graves' disease goes into remission or disappears completely after several months or years. Left untreated, however, it can lead to serious complications -- even death...

Read the Understanding Graves' Disease -- the Basics article > >

Also, if you have another thyroid condition (such as goiter), you may have a greater chance of developing thyroid nodules.

WebMD Medical Reference from Healthwise

Last Updated: April 07, 2009

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