Thyroid failure due to Other Causes
Thyroid ablation Radiation or Surgery: Graves’, toxic nodular goiter,External Beam: Hodgkins, head and neck tumors aplastic anemia,Leukemia.
Drugs: Lithium, interferon, tyrosine kinase inhibitors, Amiodarone
Infiltrative disorders: Reidel’s, Amyloidosis, Sarcoid, Hemochromatosis, Scleroderma, Cystinosis, AIDS ( pneumocystsis infection ) thyroid lymphoma
Toxic cigarettes industrial and environmental agents
Genetic variants Lingual thyroid
Image of female with woody hard goiter due to Reidel’s.