However, when sarcoidosis occurs in patients with hyperthyroidism caused
by Graves’
disease or toxic multinodular goiter, the hyperthyroidism
is often resistant to treatment with I131 ablation or anti-thyroid drugs. In cases of chronic sarcoidosis, skin lesions, enlarged lymph nodes (especially in the chest cavity), enlarged spleen, enlarged liver, uveitis, cardiac symptoms, and arthritis may occur.