What is the prognosis of of myelodysplastic syndrome (MDS) in patients who transition to more advanced stages?

Updated: Jul 24, 2018
  • Author: Emmanuel C Besa, MD; Chief Editor: Koyamangalath Krishnan, MD, FRCP, FACP  more...
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Transition from early to more advanced stages may occur, which indicates that these subtypes are merely stages of disease rather than distinct entities. Elderly patients with MDS who progress to acute leukemia are often considered to have a poor prognosis because their disease response to chemotherapy is worse than that of de novo acute myeloid leukemia patients.

The 1999 WHO classification proposed including all cases of RAEB-T in the category of acute leukemia because these patients have similar prognostic outcomes. [15] However, the response to therapy is worse than in patients with de novo or more typical AML or acute nonlymphocytic leukemia.

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