Riedel's thyroiditis - definition of Riedel's thyroiditis in the Medical dictionary - by the Free Online Medical Dictionary, Thesaurus and Encyclopedia.

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.

See fibrous thyroiditis.

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.