MDS- Myelodysplastic Syndrome, AML- Acute Myeloid Leukemia, CTCL- Cutaneous T-cell Lymphoma, PTCL- Peripheral T-cell Lymphoma, EZH2- Enhancer of Zeste Homolog 2, BET- Bacterial Endotoxins Test, HDAC6- Histone Deacetylase 6. This evidence concerns the gene HDAC6 and primary cutaneous T-cell non-Hodgkin lymphoma.