| myelodysplastic |
pertaining to myelodysplasia.
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| myelodysplastic s. |
any of a group of related bone marrow disorders of varying duration preceding the development of overt acute myelogenous leukemia; they are characterized by abnormal hematopoietic stem cells, anemia, neutropenia, and thrombocytopenia. Splenomegaly, hepatomegaly, and lymphadenopathy may not occur until the onset, often explosive, of leukemia. Called also preleukemia.
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