Macrocytosis is a condition in which your red blood cells are larger than they should be. While it isn’t a condition of its own, macrocytosis is a sign that you have an underlying health ...

Macrocytic anemia causes a person to have large red blood cells that cannot carry enough oxygen throughout the body. The symptoms mimic other kinds of anemia but the treatment depends on the ...

To the Editor: In their letter to the editor, Gillessen et al. (May 31 issue) 1 report that sunitinib therapy induced macrocytosis related to cobalamin deficiency. We have made a similar observation.

This patient has macrocytic anemia, occurring in the context of ... Furthermore, the white cell differential count, which showed 48% neutrophils, was not consistent with aplastic anemia.