da Setu Shiroya manca 1 anno
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Medications
Amiodarone
Lithium
Aspirin and Sulfonamide can induce thyroiditis
Radioactive Iodine Ablation
Iodine Deficiency
most common congenital cause in developing countries
Autoimmune maternal hypothyroidism
Fetal thyroid agenesis
Riedel Thyroiditis
-painless goiter
-often as asymptomatic as Hashimoto
-anti-TPO and TGB antibodies
-50% transient with full recovery; 50% develop permanent hypothyroidism
Postpartum
Subacute granulomatous (de Quervain)
-painful goiter
-self limited with recovery after few weeks
-precipitated by viral infection
-symptoms of hyperthyroidism
-pain managed with NSAIDs or corticosteroids
-inflammation of thyroid and sudden release of thyroglobulin
Hashimoto's Thyroiditis
-Low TSH
-Normal FT4
-at risk for hypothyroidism
-High TSH
-High FT4
-overproduction of TSH secretion by pituitary gland
-stimulates thyroid to produce T3/T4
-Low TSH
-High FT4
Grave's Disease
Toxic multinodular goiter
Toxic Follicular Adenomas
uncommon
Exogenous
Nonthyroid Secretion of Thyroid Hormone
Factitious Thyrotoxicity
-drugs used to treat hypothyroidism for weight loss
-also suppress TSH
-Low TSH, elevated T3/T4
Thyroiditis
Autoimmune
Silent lymphocytic
-painless goiter
-often as asymptomatic as Hashimoto
-50% transient with full recovery; 50% develop permanent hypothyroidism
Pospartum
-transient, self-limited variant of hashimoto
Infectious
Subacute Granulomatous (de Quervain) thyroiditis
-painful goiter
-self limited with recovery after few weeks
-precipitated by viral infection
-symptoms of hyperthyroidism
-pain managed with NSAIDs or corticosteroids
-inflammation of thyroid and sudden release of thyroglobulin
-second most common type