congenital dyserythropoietic anemia type IIIb

A congenital dyserythropoietic anemia characterized by macrocytic anemia, aberrant giant multinucleated erythroblasts in the bone marrow, and skull defects secondary to severe anemia with ineffective erythropoiesis and that has_material_basis_in homozygous or

A congenital dyserythropoietic anemia characterized by macrocytic anemia, aberrant giant multinucleated erythroblasts in the bone marrow, and skull defects secondary to severe anemia with ineffective erythropoiesis and that has_material_basis_in homozygous or compound heterozygous mutation in the RACGAP1 gene on chromosome 12q13.

Signs and symptoms

• Macrocytic dyserythropoietic anemia
• Macrocytic anemia