A 4-year-old boy presents with pallor, petechiae, and hepatosplenomegaly. Bone marrow shows >80% blasts with Auer rods and strong myeloperoxidase (MPO) positivity. Which cytochemical or morphologic feature best distinguishes acute myeloid leukemia (AML) from acute lymphoblastic leukemia (ALL) in this child?

See the options, answer & explanation

Sign in free to reveal the answer choices, the correct answer, the detailed explanation, and AI-powered insights for this question.