Initial Bone Metastasis in Mixed Medullary and Follicular-Cell-Derived Thyroid Carcinoma: A Rare Case Report
Introduction: Mixed medullary and follicular-cell derived carcinoma (MMFCC) is an exceptionally rare thyroid malignancy, accounting for less than 0.1% of all thyroid malignancies, defined by the coexistence of morphologically distinct follicular and C-cell-derived populations. Diagnosis is difficult when bone metastasi...