Figure 5: Bone marrow aspirate from a horse, 50x Prussian Blue stain; inset 100x Wright’s stain.

Figure 5: Bone marrow aspirate from a horse, 50x Prussian Blue stain; inset 100x Wright’s stain. Hemosiderin-laden macrophages (inset) were positive for iron on the Prussian Blue stain. With this stain, the iron stains as light blue-to-dark blue-to-black (depending on amount).

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