Flow cytometric analysis of Wiskott-Aldrich syndrome (WAS) protein in lymphocytes from WAS patients and their familial carriers.

To the Editor: Wiskott-Aldrich syndrome (WAS) is an X-linked recessive disorder characterized by thrombocytopenia with small platelets, severe eczema, and recurrent infections due to defects in the immune system.[1][1] Recent improvement of the prognosis of WAS by bone marrow transplantation (BMT)