Brain metastasis from calcitonin-negative medullary thyroid carcinoma

CONCLUSIONS: We describe a rare case of "calcitonin-negative" MTC with brain metastasis. The pathophysiology underlying normal serum levels of calcitonin in MTC is still not clearly understood. The lack of effective serum biomarkers for these patients makes diagnosis and treatment challenging.PMID:35537523 | DOI:10.1016/j.ando.2022.04.015

Source: Annales d'Endocrinologie - May 10, 2022 Category: Endocrinology Authors: Patr ícia Ferreira Baptista Liliana Cec ília Martins Fonseca Andr é Filipe Couto de Carvalho Sara Neves Vieira da Silva Cl áudia Raquel Oliveira Freitas Source Type: research