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In the majority of cases of overt acute myeloid leukemia (AML), there is no knowledge about a preleukemic phase of myelodysplastic syndrome (MDS). A few recent case-control studies suggest an association between MDS and several occupations. We report a unique case of MDS/AML related to the patient’s work condition with numerous cytostatic agents. The karyotype revealed a spectrum of genetic rearrangements identified by conventional cytogenetics, fluorescence in situ hybridization (FISH) and spectral karyotyping (SKY). We suggest that amplification of chromosomal material may play a greater role in leukemogenesis than has been recognized previously. 相似文献
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Sacha T Hochhaus A Hanfstein B Müller MC Rudzki Z Czopek J Wolska-Smoleń T Czekalska S Salamanchuk Z Jakóbczyk M Skotnicki AB 《Leukemia research》2003,27(12):1163-1166
Imatinib mesylate (STI571) is a major therapeutic advance for the management of chronic myeloid leukaemia (CML), however, a proportion of patients are refractory to it, particularly those in more advanced phases of CML. Different mechanisms of resistance to imatinib are suggested, including point mutations within ABL-kinase domains. A point mutation leading to substitution at the ATP binding site of ABL-kinase and insensitivity to imatinib was detected in our patient treated with imatinib, who progressed to blast crisis. Additionally, clonal evolution could lead to BCR–ABL-independent proliferation. Early detection of ABL-kinase mutation could predict the progression of CML treated with imatinib. 相似文献
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Second‐Trimester Ultrasound as a Tool for Early Detection of Fetal Alcohol Spectrum Disorders 下载免费PDF全文
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