TFR2 and myeloid sarcoma: In the light of these data, it seems justified to investigate the frequency of the rs10421768 A > G polymorphism in the HAMP gene, rs7385804 A > C TFR2 and rs1049296 C > T, and rs3811647 G > A in TF in MS patients and to try to link the genotype with the clinical phenotype of the disease.