ABP General Pediatrics

Practice session

A 3-year-old presents with pallor, petechiae, and lymphadenopathy. CBC shows WBC 30,000 with 85% blasts, Hb 6.5, platelets 25K. Flow cytometry shows CD10+, CD19+, TdT+ lymphoblasts. The MOST likely diagnosis and a favorable cytogenetic finding would be:

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