Prognosis of myelodysplastic syndromes.

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27 Scopus citations

Abstract

The myelodysplastic syndromes (MDS) are a very complex group of hematopoietic disorders. The degree of complexity relates not only to the intrinsic pathobiological characteristics of the disease, but also to the group of patients whom it affects most frequently: older individuals or those who have been exposed to prior forms of chemotherapy. It is therefore crucial to develop clinical tools to predict with a certain degree of precision the prognosis and outcome for patients with specific subtypes of MDS in specific clinical situations. At the present time, patients with MDS are diagnosed using a set of well-established histopathological criteria. Prognosis is established using classifications that include morphological features, percentage of blasts, and clinical and molecular characteristics such as peripheral cytopenias and cytogenetics. The International Prognostic Scoring System (IPSS) is a classic example of this type of classification. Over the last 5 years, there has been an intense effort to develop new prognostic systems for MDS, and new molecular alterations with potential prognostic value have been discovered. Over the same period of time, several new therapeutic interventions have been developed for patients with MDS. Biomarkers of response to these agents, in particular for the hypomethylating agents, are needed to predict clinical benefit. This review summarizes current prognostic models of MDS and new molecular alterations with potential prognostic potential.

ASJC Scopus subject areas

  • Hematology

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