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Bone marrow biopsy sample of a 74-year-old female demonstrating cytoplasmic vacuolization of myeloid precursors

(H&E, 100x). Abbreviation: H&E, hematoxylin, and eosin. (Source: Stagg MP, Miatech J, Majid B, Polala R. Zinc-containing over-the-counter product causing sideroblastic anemia and neutropenia. Cureus 2024;16(5):e59796. Creative Commons Attribution 4.0 International [CC BY 4.0] license, creativecommons.org/licenses/by/4.0.)