Diamond Blackfan Anemia Dba. Diamond blackfan anemia is a rare genetic disorder characterized by an inability to produce enough red blood cells. Diamond blackfan anemia (dba) is a congenital type of anemia characterized by pure red cell aplasia and associated with congenital bone.

It is characterized by a progressive normochromic,. Diamond blackfan anemia (dba) is a congenital type of anemia characterized by pure red cell aplasia and associated with congenital bone.