Who is affected by thyroid cancer?

Thyroid cancer is not common. It accounts for only about 1% of all new cancers.1 For the year 2009, the American Cancer Society expected approximately 37,200 cases of thyroid cancer and 1,630 deaths from thyroid cancer in the United States.2

Most cases of thyroid cancer are diagnosed in people who are between the ages of 25 and 65, although it can develop at any age. Thyroid cancer occurs more frequently in women than it does in men.


  1. Sherman SI (2003). Thyroid carcinoma. Lancet, 361(9356): 501–511.
  2. American Cancer Society (2009). Cancer Facts and Figures 2009. Atlanta: American Cancer Society. Available online: http://www.cancer.org/downloads/STT/500809web.pdf.

Last Updated: August 13, 2009

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