Congenital anemia of red blood cells

Congenital dyserythropoietic anemia (CDA) is a rare hereditary familial disease of ineffective red blood cell lines. Its clinical features are chronic, refractory mild or severe anemia, with persistent or intermittent jaundice, and bone marrow manifestations of ineffective hematopoietic, polynuclear, nuclear fragmentation, and other morphological abnormalities in the red blood cell line.