期刊
SEMINARS IN ONCOLOGY
卷 40, 期 6, 页码 666-675出版社
W B SAUNDERS CO-ELSEVIER INC
DOI: 10.1053/j.seminoncol.2013.09.013
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- NCI NIH HHS [R01 CA139633] Funding Source: Medline
Therapy-related leukemia (myelodysplasia and acute myeloid leukemia-t-MDS/AML) is a well-known complication of conventional chemoradiotherapy used to treat a variety of primary malignancies including Hodgkin lymphoma (HL) and non-Hodgkin lymphoma (NHL), acute lymphoblastic leukemia (ALL), sarcoma, and ovarian and testicular cancers. The median time to development of t-MDS/AML is 3-5 years, with the risk decreasing markedly after the first decade. t-MDS/AML is the major cause of non-relapse mortality after autologous hematopoietic cell transplantation (HCT) for HL or NHL. The magnitude of risk of t-MDS/AML is higher, and the latency is shorter after HCT, compared to conventional therapy. Two types of t-MDS/AML are recognized depending on the causative therapeutic exposure: an alkylating agent/radiation-related type and a topoisomerase II inhibitor-related type. Inter-individual variability in the risk for development of t-MDS/AML suggests a role for genetic variation in susceptibility to genotoxic exposures. Treatment of t-MDS/AML with conventional therapy is associated with a uniformly poor prognosis, with a median survival of 6 months. Because of the poor response to conventional chemotherapy, allogeneic HCT is recommended. Current research is focused on developing risk prediction and risk reduction strategies. (C) 2013 Elsevier Inc. All rights reserved.
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