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inflammation of the thyroid gland, usually characterized by such symptoms as sore throat, fever, and painful enlargement of the gland.
atrophic thyroiditis a type of autoimmune thyroiditis with atrophy of the follicles and without goiter.
autoimmune thyroiditis any of various types of thyroiditis characterized by autoantibodies against the thyroid gland, resulting in hypothyroidism. The two major types are Hashimoto's disease and atrophic thyroiditis; Riedel's thyroiditis is a less common type.
Hashimoto's thyroiditis Hashimoto's disease.
Riedel's thyroiditis a chronic type of autoimmune thyroiditis with a proliferating, fibrosing, inflammatory process involving usually one but sometimes both lobes of the gland, which becomes hard and enlarged and adherent to the trachea and other adjacent structures. Called also Riedel's struma.
subacute lymphocytic thyroiditis painless, self-limited hyperthyroidism without the nonthyroidal features of Graves' disease; there is lymphocytic infiltration of the thyroid gland.


Inflammation of the thyroid gland.
Synonym(s): thyroadenitis
[thyroid + G. -itis, inflammation]


/thy·ro·ad·e·ni·tis/ (thi″ro-ad″ĕ-ni´tis) thyroiditis.


inflammation of the thyroid.
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