Thyroiditis

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Inflammation of the Thyroid gland.

Autoimmune thyroiditis (Hashimoto's thyroiditis)is a common trigger of hyperthyroidism and precursor of hypothyroidism.

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Hashimoto's thyroiditis

  • Most common in late middle-age women
  • Antibodies against thyroglobulin or microsomal peroxidase
  • Thyroid shows lymphocyte infiltration, atrophy and regeneration
  • Gland is firm and rubbery
  • Patients are initially hyperthyroid, but become hypothyroid as disease progresses
  • Treated with thyroxine suppression and regularly monitored
  • Risk factor for thyroid lymphoma

De Quervain's thyroiditis

  • Thyroiditis secondary to an acute viral infection
  • Flu like illness, followed by thyroid swelling and tenderness
  • Transient hyperthyroidism and usually transient production of auto-antibodies

Riedel's thyroiditis

Info bulb.pngDescribed by German surgeon, Bernhard Moritz Carl Ludwig Riedel

It is now known to be one of the IgG4-related diseases.

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