A case of cystic fibrosis presenting with severe anemia in infancy

Cystic fibrosis occurs with disruption in chlorine transport as a result of mutation in the KFTR gene located on the long arm of chromosome 7, which encodes the cystic fibrosis transmembrane regulator gene protein found in the epithelial cells of the airways, biliary system, intestines, vas deferens, sweat glands and pancreatic ducts.