Anemias USMLE Step 1 Practice Question
A 25-year-old woman comes to the emergency department because of fatigue, recurrent nosebleeds, and fevers. She recently completed chloramphenicol therapy abroad. Laboratory studies show pancytopenia with a very low reticulocyte count. Bone marrow biopsy shows markedly hypocellular marrow replaced by fat. Which of the following is the most likely diagnosis?
Answer choices
- AAcute myeloid leukemia
- BMultiple myeloma
- CMyelofibrosis
- DAplastic anemiaCorrect answer
- EImmune thrombocytopenia
- FMegaloblastic anemia
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