A 3-year-old boy who exhibits prolonged bleeding after minor trauma and a prolonged aPTT,but a normal platelet count,is likely to be diagnosed with

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Hemophilia is rare,but it is the most common severe inherited coagulation disorder.Prolonged bleeding from a minor trauma is a characteristic manifestation.Liver disease is commonly manifested by a decreased platelet count and prolonged coagulation studies.DIC is more often seen in adults as the result of trauma or sepsis.A very low platelet count is often seen in thrombocytopenia.

A 3-Year-Old Boy Who Exhibits Prolonged Bleeding After Minor Trauma