medullary thyroid cancer
Medullary thyroid cancer arises from parafollicular cells. Germline RET oncogene mutations occur with familial medullary thyroid cancer and multiple endocrine neoplasia (MEN) 2A and 2B. MEN should be ruled out with genetic testing prior to surgery, given its association with pheochromocytoma. Medullary thyroid cancer is treated with total thyroidectomy and central neck