NCI Dictionary of Cancer Terms
The NCI Dictionary of Cancer Terms features 7,957 terms related to cancer and medicine.
- 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.