Fabry disease (FD), also known as Anderson-Fabry disease, was initially described independently by Johannes Fabry in Germany and William Anderson in England in 1898.1,2 It is a rare X-linked hereditary disease caused by mutations in the GLA gene encoding the lysosomal enzyme alpha-galactosidase A (α-Gal A). The gene discussed is GLA; the disease is Fabry disease.