A case of acute myelocytic leukemia with a translocation (5;18)(q35;q21) is
reported. Cytogenetic abnormalities of the long arm of chromosome 5 have l
ong been known to affect hematopoiesis. Although translocations between 5q
and other chromosomes have been associated with malignancy, this is the fir
st reported case of a t(5;18) resulting in acute myeloid leukemia. Possible
molecular mechanisms underlying the pathogenesis of the disease are discus
sed. (C) 2001 Elsevier Science Inc. All rights reserved.