High uptake of iodine | Low uptake of iodine |
---|---|
Graves' disease (Basedow's disease) | Exogenous thyroid hormone |
Functioning nodule | Medicamentous |
Toxic multinodular goiter | Factitious |
Pituitary tumor secreting excess TSH | Dietary (hamburger thyrotoxicosis) |
Tumors of placenta secreting large quantities of human chorionic gonadotropin | Thyroiditis |
Subacute | |
Silent | |
Postpartum | |
Excess iodine | |
Jodbasedow | |
Amiodarone | |
Uptake at other sites, struma ovarii, functioning thyroid metastases |