Erythroblastic island in normal bone marrow aspirate

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Erythroblastic island in normal bone marrow aspirate

#00066247

Author: Vishal Tayade; Richa Bhartiya; Dipika Bongale; Sushma Ramraje
Category: Reactive Marrow > normal Hematopoietic cells – covered in atlas (additional examples can go here) > Erythroid maturation
Published Date: 02/19/2026

Bone marrow aspirate smear (Leishman stain, 1000× oil immersion) demonstrates a well-formed erythroblastic island composed of a central macrophage surrounded by erythroid precursors at various stages of maturation. The erythroid cells show progressive nuclear condensation and cytoplasmic hemoglobinization, consistent with orderly erythroid differentiation. Erythroblastic islands represent functional microenvironments of erythropoiesis in normal bone marrow.

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