(BMJ)—A 9-yo girl presented w/ a 4-day hx of mild fever and a 2-day hx of rash. Exam: “bathing trunk” distribution of petechial rash. Labs: reduced WBC, platelet, and reticulocyte counts. What’s the dx?
Meningococcemia
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Systemic lupus erythematosus
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Idiopathic thrombocytopenic purpura
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Acute leukemia
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Parvovirus B19 infection
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