e6a2 BCR-ABL transcript in chronic myeloid leukemia: is it associated with aggressive disease?

Abstract

We describe the fourth case of e6a2 BCR-ABL transcript in a patient with chronic myeloid leukemia (CML), using reverse transcriptase polymerase chain reaction (RT-PCR) and sequencing analysis. The clinical and hematologic features and the aggressive course of disease in our patient and in the others reported in literature lead us to hypothesize that this atypical rearrangement may be associated with a worse prognosis.