Wiskott-Aldrich Syndrome

**Semantic type:** Disease or Syndrome

**Definition:** A rare, X-linked immunodeficiency syndrome characterized by eczema, thrombocytopenia, and recurrent pyogenic infection. It is seen exclusively in young boys. Typically, IgM levels are low and IgA and IgE levels are elevated. Lymphoreticular malignancies are common.

**Synonyms:** - Aldrich syndrome - Wiskott Aldrich Syndrome - Wiskott-Aldrich syndrome