Riedel thyroiditis
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Riedel thyroiditis is a rare benign pathology of the thyroid gland.
It is also known as invasive fibrous thyroiditis.[1]
General
Clinical features:[1]
- Extremely rare.
- Women > men.
- Usually smokers.
- May be associated with retroperitoneal fibrosis.
- May be hypothyroid.
- +/-Obstructive symptoms.
Microscopic
Features:
- Fibrosis.
- Specimen often fragmented as it was difficult to remove.
DDx:
- Anaplastic carcinoma, spindle cell variant.
- Multifocal fibrosing thyroiditis.
See also
References
- ↑ Jump up to: 1.0 1.1 Fatourechi, MM.; Hay, ID.; McIver, B.; Sebo, TJ.; Fatourechi, V. (Jul 2011). "Invasive fibrous thyroiditis (Riedel thyroiditis): the Mayo Clinic experience, 1976-2008.". Thyroid 21 (7): 765-72. doi:10.1089/thy.2010.0453. PMID 21568724.