GALNT3 and thyroid cancer, nonmedullary, 2: The incidences of FTC in men and women are similar; however, the incidence in black patients of African descent is relatively high, followed by that in white patients from the Middle East.1 Only one observed individual with HFTC caused by an FGF23 mutation was Japanese.7,8 Herein, we report two HFTC cases with two novel mutations in the GALNT3 gene.