<unk>  can only be diagnosed correctly by taking a radioactive iodine uptake test (RAIU) test. During both the hyperthyroid and hypothyroid phases, radioiodine uptake is decreased. This situation contrasts greatly with the elevated iodine uptake found in patients with Graves' disease.
Subacute lymphocytic thyroiditis
Radiation-induced thyroiditis
Subacute thyroiditis
Autoimmune thyroiditis
Hashimoto's thyroiditis
Ord's thyroiditis
Acute infectious thyroiditis
Riedel's thyroiditis