Hematology Q - usmlex123

[ArchivalUser]

Hemoglobin Electrophoresis is performed on a 23 yr old with sickle cell disease. He denies taking any medications at home. Lab studies reveal-

Mean Corpuscular Volume- 114
Reticulocytes- 5.0%

This patients markedly increased macrocytosis is most likely caused by which of the following?
a) Extramedullary erythropoiesis
b) Folic acid deficiency
c) Myelodysplastic syndrome
d) Iron overload
e) Liver disease


Explain your pick.