Journal
JOURNAL OF PEDIATRIC HEMATOLOGY ONCOLOGY
Volume 41, Issue 2, Pages 155-157Publisher
LIPPINCOTT WILLIAMS & WILKINS
DOI: 10.1097/MPH.0000000000001132
Keywords
thrombocytopenia; ADA2; splenomegaly; DADA2
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Thrombocytopenia presenting during early childhood is most commonly diagnosed as immune/idiopathic thrombocytopenic purpura (ITP), where the antibody-mediated destruction of thrombocytes is often transient. If treatment is indicated, the majority of patients respond to immune-modulation by intravenous immunoglobulin G infusion or systemic corticosteroids. Differential diagnoses to childhood ITP includes thrombocytopenia due to infections, drugs, rheumatologic conditions, immune dysregulation, and inherited bone marrow failures, for example, congenital amegakaryocytic thrombocytopenia. Isolated thrombocytopenia in an otherwise healthy appearing child that recurs after therapy and/or persists suggest a differential diagnosis rather than ITP. We present a case of symptomatic thrombocytopenia in a 2-year-old girl associated with adenosine deaminase deficiency.
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