PAX8 and follicular variant thyroid gland papillary carcinoma: Levels of FOXE1 and PAX8 messenger RNA (mRNA) in thyroid nodules have been found to be decreased in malignant thyroid lesions and higher in benign lesions, and even the gene expression patterns of FOXE1 and PAX8 can help in differentiating FTC from MTC and the Follicular Variant of Papillary Thyroid Carcinoma (FVPTC) [27].