How is anemia characterized in myelodysplastic syndrome (MDS)?

Updated: Jul 24, 2018
  • Author: Emmanuel C Besa, MD; Chief Editor: Koyamangalath Krishnan, MD, FRCP, FACP  more...
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Anemia varies in degree from mild to severe. It is usually macrocytic (mean cell volume of >100 fL) with red blood cells (RBCs) that are oval-shaped (macro-ovalocytes). It is usually dimorphic (2 or more populations), with a normal or a hypochromic microcytic population (RARS) coexisting with the macrocytes. Punctate basophilia is observed in RBCs.

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