This picture
appeared in one of the lab-based Facebook groups I follow. “Cabot rings appear as thin,
red-violet-staining strands in the shape of rings, figure eights, or shapes of
the letter B on Wright-stained smears. They are rarely seen in peripheral
blood. The rings are probably microtubules from the mitotic spindle that remain
behind after the rest of the erythrocyte nucleus is extruded.
Cabot rings have been observed in
megaloblastic anemia, lead poisoning, severe anemia, leukemia, myelodysplastic
syndromes, and other cases of dyserythropoiesis”
You can read
more about them by
clicking here.
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