Abstract
This project is part of the Thematic Project contemplated by FAPESP (2021/02752-6). Medullary thyroid carcinoma (MTC) is a tumor originated from calcitonin-secreting C cells. When associated with Multiple Endocrine Neoplasia type 2 (MEN2) results from germline mutations in proto-oncogene RET, located on chromosome 10q11.2. Some characteristics observed in individuals with MTC and MEN2 may…