MYC and mycosis fungoides: Duplication of 17q11.2 approximately q12 duplication is common to both MF and SS, which suggests that this is an early clonal event [70, 71] Gains of TCRB and TCRG, loss at least one copy of BCL2, gains of c-MYC and loss of c-MYC antagonists (MXI1and MNT) have also been reported [72–74].