What is macrocytosis?
Macrocytosis is the term for enlarged red blood cells. These blood cells, also known as erythrocytes, may be larger than normal for various reasons that affect its development. Therefore further investigations are necessary to identify the cause, as some of these causative factors can be very serious in nature. Macrocytosis is not a specific disease but rather a term to described abnormally enlarged red blood cells. It is often associated with anemia, where there is a lower than normal amount of hemoglobin in the blood. However, enlarged red blood cells may occur on its own without anemia.