On both the bone marrow aspirate and the core biopsy, a hypercellular marrow with an increased myeloid:erythroid ratio of 20:1 or greater. Myelocytes and neutrophils are increased, and blasts and promyelocytes are not increased.
Both bone marrow aspirate and core biopsy show a hypercellular marrow with an elevated myeloid:erythroid ratio of 20:1 or higher. Myelocytes and neutrophils are increased, while blasts and promyelocytes are not elevated.