secondary chronic myeloid leukemia comparison between patients previously exposed or not to chemo- and/or radiotherapy

Introduction. Haematological malignancies related to previous chemo and/or radio-therapy for neoplasia have been well investigated. This subgroup was defined as therapy-related myeloid neoplasms by ELN. In the field of chronic myeloid leukaemia (CML) the diagnosis of a secondary neoplasia after CML diagnosis has been studied but the presence of 'secondary CML' has not been completely defined. In clinical practice we collected patients with a CML diagnosis who had a previous history of malignancy