Blood tests are also used to monitor thyroid cancers. Medullary thyroid cancer accounts for around 5% of all thyroid cancer cases and is categorized into two types: sporadic (not inherited) and ...

What Is Medullary Carcinoma Thyroid (MTC)? Medullary carcinoma is a rare type of cancer that can appear in different parts of the body. It most commonly shows up in the thyroid gland and the colon.