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Riedel's thyroiditis

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thyroiditis /thy·roid·itis/ (-i´tis) inflammation of the thyroid gland.
atrophic thyroiditis  a type of autoimmune thyroiditis with atrophy of the follicles and without goiter.
autoimmune thyroiditis  any of various types characterized by autoantibodies against the thyroid, 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  see under 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 thyroid gland, as well as the trachea and other adjacent structures.

Riedel's struma, Riedel's thyroiditis.
thyroiditis [thi″roi-di´tis]
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.

Riedel's thyroiditis
Fibrous thyroiditis, invasive thyroiditis, Riedel struma Endocrinology A rare condition of older adults and the elderly which presents clinically as an ill-defined thyroid enlargment often accompanied by severe SOB due to tracheal compression Management Steroids, surgical excision. Cf Hashimoto's thyroiditis.


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The histologic differential diagnosis includes palpation thyroiditis (histiocytes, lymphocytes, and no neutrophils), lymphocytic thyroiditis (oxyphilic [Hurthle, oncocytic] follicular epithelial cell metaplasia with mature lymphocytes and plasma cells arranged around germinal centers), and Riedel's thyroiditis (vasculitis and fibrosis).
In patients with Cowden's syndrome, retroperitoneal fibrosis, mediastinal fibrosis, sclerosing cholangitis, Riedel's thyroiditis, and inflammatory pseudotumor of the orbit can all manifest, either alone or in combination.
 
 
 
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