Microcytosis 1:

In early Fe-deficiency, MCV and Hb are normal, but RDW is increased. The peripheral smear may only show increased heterogeneity (anisocytosis).

These are the blood indices associated with this problem --

  • RBC 5.18
  • Hb 15.8
  • Hct 45.8
  • MCV 88.7
  • RDW 16.3

View Dr. Opare-Sem's discussion of the case



Consider what the distribution should look like, then click below to confirm your impression.
View the plotted distribution of erythrocytes.



Consider what the peripheral smear should look like, then click below to confirm your impression.
View the blood smear.