Abstract
Medullary Thyroid Carcinoma (MTC) is a tumor originating from parafollicular cells of the thyroid gland, called C cells, which secrete calcitonin. The MTC is responsible for about 5% of cases of thyroid cancer. Most cases are sporadic, but approximately 30% are associated with a hereditary syndrome known as multiple endocrine neoplasia type 2 (MEN2). MEN2 is an autosomal dominant syndrome…