Immunoerythromyeloid Hypoplasia, also known as reticular dysgenesis, is related to reticular dysgenesis and severe combined immunodeficiency. An important gene associated with Immunoerythromyeloid Hypoplasia is AK2 (Adenylate Kinase 2). The drugs Busulfan and Fludarabine have been mentioned in the context of this disorder. Affiliated tissues include myeloid and bone marrow, and related phenotypes are decreased circulating igg level and lymphoproliferative disorder