CDA<unk> <unk>  is characterized by mild to moderate splenomegaly. Hemoglobin is very low and patients are transfusion dependent. MCV is normal or mildly elevated. Erythropoiesis is normoblastic or mildly to moderately megaloblastic. Nonspecific erythroblast dysplasia is present.
Congenital dyserythropoietic anemia type IV
Congenital dyserythropoietic anemia type II
Diamond–Blackfan anemia
Congenital dyserythropoietic anemia type III
Paroxysmal nocturnal hemoglobinuria
Hereditary spherocytosis
Congenital hypoplastic anemia
Beta thalassemia