Cytogenetic analysis and FISH of terminal deletion of long arm of chromosome 9 in a patient with acute promyelocytic leukemia

ABSTRACT: Deletions of the long arm of chromosome 9, del(9)(q22), are rare aberrations specifically found in acute myeloid leukemia (AML). Yamamoto et al, 1999, reported the first case of acute promyelocytic leukemia (APL) with a terminal 9q deletion as a sole abnormality. Here we describe the secon...