Definition
Hashimoto thyroiditis is an autoimmune disease that destroys thyroid cells by cell and antibody-mediated immune processes. It is the most common cause of hypothyroidism in developed countries. Hashimoto first described this disease in 1912 in four women patients (Dana 2019).
Clinical Features
Incidence
The incidence is estimated at 3.5/1000/year in women and 0.8/1000/year in men.
Age
The disease has a peak incidence in the fifth decade of life and affected individuals range from children to older adults.
Sex
Women are more often affected. The female-to-male ratio is ranging from 5 to 20:1.
Site
In Hashimoto thyroiditis, there is a diffuse symmetric enlargement with bosselated or irregular surfaces and prominent pyramidal lobe.
Treatment and Outcome
The mainstay of treatment for hypothyroidism is thyroid hormone replacement. The drug of choice is T4 (levothyroxine)...
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References and Further Reading
Caturegli, P., Kimura, H., Rocchi, R., & Rose, N. R. (2007). Autoimmune thyroid diseases. Current Opinion in Rheumatology, 19, 44–48.
Dana, L. M., Ishwarlal, J., & StatPearls (Internet). (2019). Hashimoto thyroiditis (p. 5). Treasure Island: StatPearls Publishing.
LiVolsi, V. A. (1990). Surgical pathology of the thyroid. Philadelphia: W. B. Saunders.
Sadow, P. M., Heinrich, M. C., Corless, C. L., Fletcher, J. A., & Nosé, V. (2010). Absence of BRAF, NRAS, KRAS, HRAS mutations, and RET/PTC gene rearrangements distinguishes dominant nodules in Hashimoto thyroiditis from papillary thyroid carcinomas. Endocrine Pathology, 21, 73–79.
Shih, M. L., Lee, J. A., Hsieh, C. B., Yu, J. C., Liu, H. D., Kebebew, E., Clark, O. H., & Duh, Q. Y. (2008). Thyroidectomy for Hashimoto’s thyroiditis: Complications and associated cancers. Thyroid, 18, 729–734.
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Basolo, F., Proietti, A., Ugolini, C. (2020). Hashimoto Thyroiditis. In: van Krieken, J. (eds) Encyclopedia of Pathology. Encyclopedia of Pathology. Springer, Cham. https://doi.org/10.1007/978-3-319-28845-1_5062-1
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DOI: https://doi.org/10.1007/978-3-319-28845-1_5062-1
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