Macrocytosis-associated conditions: Case Study One
A complete blood count (CBC) was ordered for a patient recently admitted to the emergency department. The MCV on the count was 115 femtoliters (fL) (normal range 80 - 90 fL). A peripheral blood smear was reviewed; a representative field from the smear is shown on the right.
Which of the following conditions could immediately be ruled out, based on the MCV and appearance of the RBCs on the peripheral blood smear?
Please select the single best answer