Marine-Lenhart syndrome combined with papillary thyroid carcinoma: a case report

After confirming the presence of Graves' disease, it is still essential to consider the possibility of thyroid hyperfunctioning adenoma, namely Marine-Lenhart syndrome. Although most thyroid nodules associated with Marine-Lenhart syndrome are benign and often present as "hot nodules," it is crucial not to disregard the small probability of thyroid malignancy in such cases.