Cystic fibrosis in a black child with hemoglobin S-D disease.

A 9-year-old black patient with the simultaneous occurrence of cystic fibrosis and hemoglobin S-D disease is reported. She was placed on chronic transfusion therapy from 1 year of age because of her rapidly worsening pulmonary condition. Her pulmonary function is now stable. The role of this therapy in the overall management of this unusual syndrome is discussed.