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Update on myelodysplastic syndromes classification and prognosis

机译:骨髓增生异常综合症分类和预后的最新进展

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Myelodysplastic syndromes (MDS) are a collection of cytogenetically heterogeneous clonal bone marrow (BM) failure disorders derived from aberrant hematopoietic stem cells in the setting of an aberrant hematopoietic stem cell niche. Patients suffer from variably progressive and symptomatic bone marrow failure with a risk of leukemic transformation. Diagnosis of MDS has long been based on morphologic assessment and blast percentage as in the originalFrench-American-British classification. The recently developed Revised International Prognostic Scoring System provides improved prognostication using more refined cytogenetic, marrow blast, and cytopenia parameters. With the advent of deep sequencing technologies, dozens of molecular abnormalities have been identified in MDS.
机译:骨髓增生异常综合症(MDS)是造血干细胞异常情况下衍生自异常造血干细胞的细胞遗传学异源性骨髓(BM)衰竭疾病的集合。患者患有不同程度的进行性和症状性骨髓衰竭,并有白血病转化的风险。长期以来,MDS的诊断一直以形态学评估和爆炸百分率为基础,就像原始的法国-美国-英国分类中一样。最近开发的修订的国际预后评分系统使用更完善的细胞遗传学,骨髓胚细胞和血细胞减少症参数,可以改善预后。随着深度测序技术的出现,MDS中已鉴定出数十种分子异常。

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