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the answer of last case form:
A 6-year-old boy presents to his pediatrician with 5 days of nosebleeds and a rash. The nosebleeds have increased in frequency to three times a day. The mother reports no fevers at home, though he did have 4–5 days of cough and runny nose 2 weeks ago. His past medical history is unremarkable and he takes no medications.On physical examination he is afebrile with a petechial rash and some crusted bloodon the nares. There is no splenomegaly. A complete blood cell count shows a plateletcount of 127,000/mm³ and normal hemoglobin.A peripheral blood smear shows megathrombocytes.
Initial treatment should consist of which of the following?
(A) Corticosteroids
(B) Dialysis
(C) Intravenous gamma-globulin
(D) Observation
(E) Platelet transfusion
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