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Thyroid Nodules
(Thyroid Nodule)

Thyroid Nodules Overview

  • The main function of the thyroid gland in the neck is to make thyroid hormone, which is essential for normal growth and metabolism.
  • Nodules are simply lumps which are either solid or fluid-filled. Goiter is simply a term for an enlarged thyroid gland. Autopsy studies have revealed that up to 50% of all adults die carrying at least one thyroid nodule. These people may or may not have been aware of the presence of their thyroid nodules.
  • Thyroid nodules are found more commonly as people age.
  • Most thyroid nodules are benign and not cancerous.
  • Only 5% of all thyroid nodules will be discovered to be thyroid cancer.
    • Finding cancer in a thyroid nodule is more likely in a person younger than age 30 or older than age 60 years.
    • However, it is important to remember that only a small percentage of people with thyroid cancer die as a result of their thyroid cancer.

Picture of the Thyroid Gland

Thyroid Nodules Causes

Patient Comments

Causes of thyroid nodules can be classified as benign (noncancerous) or malignant (cancerous).

Medically Reviewed by a Doctor on 3/18/2015

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Patient Comments & Reviews

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Thyroid Nodules - Treatment

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Thyroid Nodules - Symptoms and Signs

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Thyroid Nodule - Experience

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Thyroid Nodules - Causes

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Read What Your Physician is Reading on Medscape

Thyroid Nodule »

Nodular disease of the thyroid gland is prevalent in the United States.

Read More on Medscape Reference »


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