It is also found in anaplastic large cell lymphoma (ALCL), HL, large cell transformation of mycosis fungoides (MF-LCT), acute myeloid leukaemia (AML), myelodysplastic syndromes (MDS), mastocytosis, CD30+ B-cell lymphomas and EBV+ hydroa vacciniforme-like-T-cell lymphoma [11]. The gene discussed is TNFRSF8; the disease is mycosis fungoides.