An 8-year-old boy is brought to the GP by his mother for a 2-day history of cough. He has not had any immunizations. Leukocyte count is 35,000/μL (80% lymphocytes). Temperature is 101 F. A peripheral smear is shown.
Which of the following is the most likely diagnosis?
Acute lymphoblastic leukemia
Bacterial infection
Bronchiolitis
Chronic lymphocytic leukemia
Croup
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Cut-to-the-chase Answer (0:38):
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HY USMLE Answer (7:28):