Which bone marrow changes are characteristic of myelodysplastic syndrome (MDS)?

Updated: Jul 24, 2018
  • Author: Emmanuel C Besa, MD; Chief Editor: Koyamangalath Krishnan, MD, FRCP, FACP  more...
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In most cases, bone marrow changes include hypercellularity with trilineage dysplastic changes. A small number of patients may have a hypocellular marrow. This often overlaps with aplastic anemia. Increased marrow fibrosis may be confused with other myeloproliferative disorders. Dysplastic changes in RBC lineage (dyserythropoiesis) are characteristic. In the absence of vitamin B-12 or folate deficiencies, the bone marrow usually exhibits asynchronous maturation of nuclei and cytoplasm similar to that described in megaloblastic anemias.

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