Table 2.

Risk Factors for Iodine-Induced Thyroid Dysfunction

Iodine-induced hyperthyroidism

Nontoxic nodular goiter

Latent Graves' disease

Long-standing iodine deficiency

Iodine-induced hypothyroidism

Hashimoto's thyroiditis

Euthyroid Graves' disease previously treated with surgery, radioactive iodine, or antithyroid drug therapy

History of partial thyroidectomy

History of postpartum lymphocytic thyroiditis or subacute thyroiditis

History of interferon-α therapy

History of type 2 amiodarone-induced thyrotoxicosis

Fetus or neonates