Which hematopoietic cell lines are involved 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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Answer

MDS may involve one, two, or all three myeloid hematopoiesis cell lineages—erythrocytic, granulocytic, megakaryocytic—depending on the subtype and stage of the disease. The heterogeneity of MDS reflects the fact that its course involves a series of cytogenetic events. In a subgroup of patients, the acquisition of additional genetic abnormalities results in the transformation of MDS into acute myeloid leukemia (AML). Thus, although  MDS is clonal, it is considered a premalignant condition.


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