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4378 Pathology

A 5-year-old boy is brought in by his mother because of petechial bleeding and bruises on his torso and limbs. The child doesn’t have any other signs or symptoms and doesn’t appear to be ill. Mother reports gastrointestinal infection several weeks prior to petechiae and bruising. CBC shows thrombocytopenia (<20xl09/L). Other parameters of CBC are within expected range for age. Also, PT, PTT and metabolic panels are all within referent range. What is the expected outcome of this blood disorder?

AComplete resolution is expected
BSurvival rate is up to 70% depending on risk stratification
CLifelong disease dependent on factor VIII substitution
DLifelong disease dependent on factor IX substitution
Pathology
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