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A new recurring chromosome 13 abnormality in two older patients with de novo acute myeloid leukemia: An Indian experienceKeywords: Acute myeloid leukemia-M1 , recurrent , sole abnormality , trisomy 13 Abstract: We report here two cases of trisomy 13 in acute myeloid leukemia M1 subtype. short-term unstimulated bone marrow and peripheral blood lymphocyte culture showed 47, XY, +13 in all metaphase plates and trisomy 13 was confirmed with whole chromosome paint probes. Trisomy 13 in AML-M1 is a rare numerical abnormality. This is the first Indian report of sole trisomy 13 in AML-M1. Here, we present two cases of elder male patients, which may constitute a distinct subtype.
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