Cutaneous T-cell lymphoma (CTCL) are a heterogeneous group of neoplasms of skin-homing T cells that show considerable variation in clinical presentation, histological appearance, immunophenotype and prognosis. In recent classification schemes (WHO-EORTC; WHO 2008) roughly three categories of CTCL can be distinguished: (1) the group of classical CTCL, including mycosis fungoides (MF, variants or...
