Graves’ thyrotoxicosis following Hashimoto’s thyroiditis

Autoimmune thyroid disease traditionally includes chronic thyroiditis, autoimmune hyperthyroidism (Graves' disease), and primary nongoitrous myxedema, and these diseases have a common syndrome-sharing pathophysiology. Here we report a rare case of simultane- ous occurrence of thyrotoxicosis linked to Graves' disease and chronic hypothyroidism due to