blood disorders
Hemoglobin C, S C, and E Diseases
Hemoglobin S C disease
Hemoglobin S-C disease occurs in people who have one copy of the gene for sickle cell disease and one copy of the gene for hemoglobin C disease. Hemoglobin S-C disease is more common than hemoglobin C disease, and its symptoms are similar to those of Symptoms but milder. However, people may have blood in the urine, an enlarged spleen, bleeding into the back of the eye (retinal hemorrhage), and damage to hip joint. 