Abstract
Medullary thyroid carcinoma is a tumor of the parafollicular C cells which accounts approximately 3% of thyroid cancer. It may occur as sporadic form or hereditary cancer both alone or associated with syndromes. In this chapter, epidemiology, genetic, diagnosis and treatment of medullary thyroid cancer will be discussed.
Keywords: Medullary thyroid cancer, MEN2A, MEN2B, RET point mutations.