PMC8648467_01
(a-b) Wright Giemsa-stained bone marrow aspirate smear slide (l000x magnification) showing neutrophil precursors (a) and an erythroid precursor (b) bottom with cytoplasmic vacuoles. (c) Prussian blue-stained bone marrow aspirate smear slide (l000x magnification) showing ring sideroblasts.
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fig1
Hematopathology review of the second bone marrow biopsy showed vacuolated precursors and ring sideroblasts commonly seen in copper deficiency (Figure 1).