A 40-year-old woman comes to the physician because of a 12-lb weight loss the past two months. Vitals are stable and within normal limits. The spleen tip is palpated 3 cm below the left costal margin. Hematologic studies show:
Hct 44%
WBC 24,000/μL
Neutrophils 50%
Bands 14%
Metamyelocytes 6%
Eosinophils 2%
Basophils 3%
Lymphocytes 15%
Myelocytes 10%
Platelet count 470,000/μL
A blood smear is shown. What’s the most likely diagnosis?
Acute lymphoblastic leukemia (ALL)
Acute myelogenous leukemia (AML)
Acute promyelocytic leukemia (APL)
Chronic lymphocytic leukemia (CLL)
Chronic myelogenous leukemia (CML)
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Cut-to-the-chase Answer (0:39):
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HY USMLE Answer (12:16):