Myelodysplastic syndromes sometimes share similar peripheral and bone marrow cellularity with all of the following except

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The bone marrow in aplastic anemia is hypocellular,containing primarily fat cells,lymphocytes,and plasma cells.Cytopenias exist in the peripheral blood,but cell morphology is normal and no immature cells are present.The myelodysplastic syndromes in general have a hyperplastic bone marrow but cytopenia (or cytopenias)in peripheral blood.These two findings can also be seen in acute leukemia and both vitamin B₁₂ and folate deficiencies.

Myelodysplastic Syndromes Sometimes Share Similar Peripheral and Bone Marrow Cellularity