NCIt synonyms : Alkylating Agent Related Acute Myeloid Leukemia and Myelodysplastic Syndrome; Alkylating Agent-Related AML and MDS;
NCIt definition : Acute myeloid leukemias and myelodysplastic syndromes arising as a result of the mutagenic
effect of alkylating agents that are used for the treatment of malignant tumors. Patients
usually develop a myelodysplastic syndrome which may evolve to a higher grade myelodysplastic
syndrome or acute myeloid leukemia. A minority of patients present with an acute myeloid
leukemia. Clonal cytogenetic abnormalities are frequently present and usually are
unbalanced translocations or deletions of chromosomes 5 and 7. Patients with acute
myeloid leukemia usually do not respond to treatment and have an unfavorable clinical
outcome.;