Cancer Home > Thyroid Cancer Information

Thyroid cancer occurs when cancerous cells first form in the tissues of the thyroid, a butterfly-shaped gland located at the front of the neck. This disease often has no early signs or symptoms. As the cancer grows, however, symptoms may include:
  • A lump or nodule in the front of the neck near the Adam's apple
  • Hoarseness or difficulty speaking in a normal voice
  • Swollen lymph nodes, especially in the neck.
The exact cause of thyroid cancer is unknown, but there are several risk factors that may increase a person's chances of developing it. For example, you may be at an increased risk if you:
  • Are over the age of 40
  • Are not getting enough iodine in your diet
  • Have been exposed to high levels of radiation
  • Are female.
(For more information, including how this condition is diagnosed and treated, click Thyroid Cancer.)
Written by/reviewed by:
Last reviewed by: Arthur Schoenstadt, MD
Last updated/reviewed:
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