Identification of homogeneously staining regions in leukemia patients

2013 
Homogeneously staining regions (HSR) or double minute chromosomes (dmin) are autonomously replicating extra-chromosomal elements that are frequently associated with gene amplification in a variety of cancers. The diagnosis of leukemia patients was based on characterization of the leukemic cells obtained from bone marrow cytogenetics. This study report two cases, one with Acute Myeloblastic Leukemia without maturation (AML-M1), aged 23-year-old female, and the other with chronic myelogenous leukemia (CML)-blast crisis, a 28-year-old female associated with double minute chromosomes. Most cases of acute myeloid leukemia with dmin in the literature (including our cases) have been diagnosed as having acute myeloid leukemia.
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