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10378 Pathology

A 40-year-old woman complains of fatigue and nausea of 3 months in duration. Physical examination reveals numerous pustules on the face, as well as splenomegaly and hepatomegaly. Laboratory studies show hemoglobin of 6.3 g/dL and platelets of 50,000/mL. A peripheral smear shows malignant cells with Auer rods (arrow). The patient develops diffuse purpura, bleeding from the gums, and laboratory features of disseminated intravascular coagulation (DIC). Which of the following is the appropriate diagnosis?

AAcute lymphoblastic leukemia
BAcute megakaryocytic leukemia
CAcute promyelocytic leukemia
DChronic myelogenous leukemia
Pathology
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