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J Pediatr Hematol Oncol. 2004 Jul;26(7):435-40.

Confirming or excluding the diagnosis of Wiskott-Aldrich syndrome in children with thrombocytopenia of an unknown etiology.

Author information

  • 1Department of Human Gene Therapy, Hokkaido University Graduate School of Medicine, Sapporo, Japan. tada-ari@med.hokudai.ac.jp


Early diagnosis is an important factor in a better prognosis in patients with Wiskott-Aldrich syndrome (WAS), but it is not always easy to distinguish between WAS and immune thrombocytopenic purpura on clinical grounds. To confirm or to exclude a WAS diagnosis promptly for children with thrombocytopenia, the authors performed flow cytometric screening of Wiskott-Aldrich syndrome protein (WASP) for 10 children with thrombocytopenia of an unknown etiology. Five children were diagnosed with WAS, and the remaining 5 were diagnosed as having non-WAS causes of thrombocytopenia. There were no ambiguous results, and these were confirmed by genetic analysis. The authors conclude that screening by flow cytometry for WASP is recommended for boys with persistent thrombocytopenia of an unknown etiology.

[PubMed - indexed for MEDLINE]
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