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Bone marrow aspirate smear. (A) Hyperplasia of the granulocyte lineage with unbalanced maturation shifted toward promyelocytic and myelocytic forms (original magnification ×40). (B) Granular precursors with presence of small vacuoles (original magnification ×100). (C) Persistence of basophilia in myelocytes and large metamyelocytes with banded nuclei (original magnification ×100). (D) Erythroblast precursor carrying small vacuoles (original magnification ×100)
