Sortilin Immunoreactivity Is Associated with Lymphatic and Extrathyroidal Invasion in Medullary Thyroid Carcinoma: A Preliminary Single-Center Study.
INTRODUCTION Medullary thyroid carcinoma (MTC) is a rare aggressive thyroid malignancy lacking reliable molecular markers. Sortilin is associated with tumor invasiveness in several cancers, but its role in MTC remains unclear. METHODS Sortilin immunoreactivity was retrospectively evaluated by immunohistochemistry usi...