What are the causes of macrocytosis?

Updated: Dec 16, 2020
  • Author: Vincent E Herrin, MD, FACP; Chief Editor: Emmanuel C Besa, MD  more...
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Answer

Causes of macrocytosis are many and range from benign to malignant; thus, a complete workup to determine etiology is essential. [3]  Macrocytosis may occur at any age, but it is more prevalent in older age groups because the causes of macrocytosis are more prevalent in older persons. [4, 5, 6]


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