Acute leukaemia in patients treated for Hodgkin's disease

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Abstract
Summary: Fourteen acute non‐Iymphoid leukaemias (ANIL) were identified among 947 consecutive patients with Hodgkin's disease (HD) treated in five collaborating centres in Italy between January 1969 and December 1979.Leukaemia developed 12‐118 months after the diagnosis of HD and was always preceded by a pre‐leukaemic phase. The karyotype of the leukaemic cells was studied in nine of the 14 patients and was abnormal in seven cases. Bone marrow agar cultures were performed in five of the 14 patients and were abnormal in every case.The actuarial risk of developing ANLL at 10 years was 6.2% for combined therapy, 4.8% for salvage therapy and 2.2% for chemotherapy alone. No case of ANLL was documented among 136 patients treated with radiotherapy alone. One patient developed acute promyelocytic leukaemia following treatment with ABVD and radiotherapy. Both univariate and multivariate analyses seem to demonstrate that the induction therapy modality is a significant variable in development of secondary acute leukaemia. The recognition of a significant risk of ANLL in patients treated for HD should create changes in treatment policy.