SLC40A1 and hemochromatosis type 4: MRI findings of liver and spleen iron were reported for 8 ferroportin mutations (c.-188A>G, G490D, I152F, L233P, R178G, V162del, Y64 N, Y501C) [12,41–45,5,46] where the small number of patients prohibits assessment of the diagnostic performance of MRI for the classification of ferroportin disease.