Red Cell Characteristics Related to Size

Microcyte with Normal Hemoglobin Content

A microcyte with normal hemoglobin content (one-third of central pallor) can be seen in the center of this field, just below and to the left of the lymphocyte. Since many of the other cells in this field are normal or larger than normal, the MCV would be within the normal range although the diameter and volume of this individual cell would be lower than normal. This type of microcyte can be seen in some hemolytic anemias and the rare enzyme deficiency, pyruvate kinase deficiency anemia.

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