Medical Dictionary

Hashimoto's thyroiditis

noun Ha·shi·mo·to's thyroiditis
variants: also

Hashimoto thyroiditis


Medical Definition of Hashimoto's thyroiditis

  1. :  a chronic autoimmune thyroiditis that is characterized by thyroid enlargement, thyroid fibrosis, lymphatic infiltration of thyroid tissue, and the production of antibodies which attack the thyroid and that occurs much more often in women than men and increases in frequency of occurrence with age—called also Hashimoto's disease, Hashimoto's struma, struma lymphomatosa

Biographical Note for hashimoto's thyroiditis




(1881–1934), Japanese surgeon. Hashimoto published his description of chronic thyroiditis in 1912.

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a rounded knoll or a ridge of ice

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