Which of the six WHO MDS subgroups contains two or more cytopenias, rare or no blasts, less than 1 x 10⁹ /L monocytes in the peripheral blood and less than 5% blasts and less than 15% ringed sideroblasts in the bone marrow?

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Quizplus · Accepted Answer

The subgroup that fits this description is Refractory cytopenia with multilineage dysplasia (RCMD). RCMD is characterized by two or more cytopenias (anemia, thrombocytopenia, and/or neutropenia), dysplasia in at least 10% of cells in two or more myeloid lineages, and less than 1 x 109/L monocytes in the peripheral blood. Blasts are rare or absent, and ringed sideroblasts are less than 15% in the bone marrow.

Which of the Six WHO MDS Subgroups Contains Two or More