| A rare genetic constitutional dyserythropoietic anemia disorder characterized by moderate to severe anemia without thrombocytopenia, variable degrees of neutropenia and bone marrow biopsy findings of trilineage dysplasia and hypocellularity of erythroid and granulocytic lineages. Peripheral blood findings include anisocytosis, macrocytosis, poikilocytosis, elliptocytes, and fragmented erythrocytes. Caused by mutation in the GATA1 gene on chromosome Xp11. |
