Introduction Hürthle cell carcinoma (HCC) is a rare subtype of thyroid carcinoma that arises from Hürthle cells, also known as oncocytic cells. These cells are characterized by abundant granular eosinophilic cytoplasm, a result of increased mitochondrial content. HCC was previously considered a […]
Introduction Medullary thyroid carcinoma (MTC) is a rare but clinically significant malignancy of the thyroid gland, arising from the parafollicular C-cells (also known as C-cells) that produce the hormone calcitonin. Unlike papillary and follicular thyroid carcinomas, which derive from follicular epithelial cells, […]