Syndrome with alpha-thalassemia as a major feature

This term refers to a group of diseases characterized by alpha-thalassemia and an associated disorder. Three conditions are included in this group: alpha thalassemia - X-linked intellectual deficit (or ATR-X syndrome), alpha-thalassemia-intellectual deficit syndrome (or ATR-16 syndrome) and alpha-thalassemia-myelodysplastic disease (or ATMDS).