Wiskott-Aldrich syndrome is an immunodeficiency disorder that arises from a mutation of the X chromosome. More common in males, the condition makes it difficult for the bone marrow to produce platelets. Bleeding problems generally arise, including bloody diarrhea; in some cases, Wiskott-Aldrich syndrome can also cause recurrent infections and eczema. Currently, stem cell transplants are the mainstay of therapy and the only treatment option that can provide a permanent cure.

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