Spectral Karyotype Analysis of T-Cell Acute Leukemia
1999
Analysis of 15 cases of T-cell acute lymphoblastic leukemia with spectral karyotyping (SKY), which can identify all chromosomes simultaneously, clarified the chromosome rearrangements in 3 cases and confirmed them in 11 others; no abnormal cells were identified in 1 case, which had only 10% abnormal cells. Five of the latter cases had a normal karyotype. Thus, the use of SKY substantially improves the precision of karyotype analysis of malignant cells, which in turn leads to a more accurate assessment of the genotypic abnormalities in those cells.
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