Medullary Thyroid Carcinoma: A Unique Case Report.

Medullary thyroid carcinoma is a rare neuroendocrine tumor derived from parafollicular C-cells. It can be inherited as part of syndromes, such as familial medullary thyroid cancer (FMTC) and multiple endocrine neoplasia type 2 (MEN 2), or it can arise sporadically. We herein report a unique case of medullary thyroid carcinoma in a 50-year-old male who presented with a neck mass. Fine needle aspiration cytology (FNAC) of the thyroid and histopathological examination revealed a diagnosis of medullary thyroid carcinoma. Both carcinoembryonic antigen (CEA) and calcitonin are the key serum markers utilized in the diagnosis and monitoring of medullary thyroid cancer (MTC). Thorough evaluation, prompt identification, and efficient treatment constitute the pivotal measures for ensuring favorable survival outcomes.
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