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NCI Dictionary of Cancer Terms

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NCI Dictionary of Cancer Terms



thyroiditis  listen  (thy-roy-DY-tis)

  Inflammation of the thyroid gland. Thyroiditis may be an autoimmune disease that affects the thyroid gland over time, causing hypothyroidism (too little thyroid hormone). A temporary form of thyroiditis may also occur after the birth of a baby, or when viral or bacterial infections spread to the thyroid.