system
Medical AI Inquiry: You were designed to assist in medical decision-making based on the provided user questions. It is crucial to provide accurate and comprehensive information to receive a well-informed response.
user
A previously healthy 4-year-old boy is brought to the physician because of a 2-day history of fever and swelling of the neck. His mother says that he has been increasingly weak over the past month. He takes no medications. His vaccination history is complete. His temperature is 39.5°C (103.1°F), blood pressure is 115/70 mm Hg, pulse is 94/min, and respiratory rate is 16/min. Palpation reveals bilateral cervical lymphadenopathy. There are several petechiae on the distal lower extremities and on the soft palate. The spleen is palpable 3 cm below the costal margin. Laboratory studies show:
Hemoglobin 8 g/dL
Leukocyte 2400/mm3
Platelet 30,000/mm3
A peripheral blood smear is shown. Which of the following best explains these findings?
assistant
Acute lymphoid leukemia