Livio Pagano, Caterina Giovanna Valentini, Fabio Facchetti. Reply to “A combination treatment approach and cord blood stem cell transplant for blastic plasmacytoid dendritic cell neoplasm” and to “A low-grade B-cell lymphoma with prolymphocytic/paraimmunoblastic proliferation and IRF4 rearrangement” Dendritic cell leukemia. Haematologica 2013;98(3):e37-e37; https://doi.org/10.3324/haematol.2013.084582.