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خرید پکیج
تعداد آیتم قابل مشاهده باقیمانده : -55 مورد

Major causes of hypothyroidism

Major causes of hypothyroidism
Primary hypothyroidism
Chronic autoimmune thyroiditis
Iatrogenic
  • Thyroidectomy
  • Radioiodine therapy or external irradiation
Iodine deficiency or excess
Drugs - thionamides, lithium, amiodarone, interferon alfa, interleukin 2, tyrosine kinase inhibitors, checkpoint inhibitor immunotherapy
Infiltrative diseases - fibrous thyroiditis, hemochromatosis, sarcoidosis
Transient hypothyroidism
  • Painless (silent, lymphocytic) thyroiditis
  • Subacute granulomatous thyroiditis
  • Postpartum thyroiditis
  • Subtotal thyroidectomy
  • Following radioiodine therapy for Graves' hyperthyroidism
  • Following withdrawal of suppressive doses of thyroid hormone in euthyroid patients
Congenital thyroid agenesis, dysgenesis, or defects in hormone synthesis
Central hypothyroidism
TSH deficiency
TRH deficiency
Generalized thyroid hormone resistance (some patients)*

TRH: thyrotropin-releasing hormone; TSH: thyroid-stimulating hormone.

* Refer to UpToDate content on clinical features of thyroid hormone resistance.
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