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Macrocytes
Synonyms: Megalocytes
Macrocytes are abnormally large erythrocytes that usually result from nutrient deficiency (folic acid or vitamin B12) or from reticulocytosis. Macrocytes are seen in the automated cell count by a high MCV and/or RDW.
Peripheral blood
Example of a smear with pronounced megalocytosis. Click on the eye to highlight some examples.
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