Wiley, British Journal of Haematology, 4(106), p. 1037-1040, 1999
DOI: 10.1046/j.1365-2141.1999.01636.x
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Between July 1992 and June 1996, 901 new cases of adult acute lymphoblastic leukaemia were recorded in the GIMEMA Archive of Adult Acute Leukaemia; 21 of them (2.3%) had a previous primary malignancy (PM). We found that secondary acute lymphoblastic leukaemia cases (sALL) presented with older age, a high incidence of pre-pre-B immunophenotype and a significantly higher prevalence of cancer among relatives compared to de novo ALL.The leukaemogenic activity of the cytotoxic drugs employed for the treatment of PM may have played a potential role in only a proportion of patients, opening the possibility that some sALL patients may have developed two or more malignancies due to individual predisposing factors.