Patients

Myelodysplastic syndromes Myelodysplastic syndromes: (my-eh-lo-diss-PLASS-tik SIN-dromez) A group of disorders where the bone marrow does not work well, and the bone marrow cells fail to make enough healthy blood cells. Myelo refers to the bone marrow. Dysplastic means abnormal growth or development. People with MDS have low blood cell count for at… (MDS) are a family of disorders in which bone marrow bone marrow: The soft, spongy tissue inside most bones. Blood cells are formed in the bone marrow. fails to produce enough healthy blood cells. With MDS, some of the cells will have an abnormal shape, size or look. Most experts agree that MDS is a form of blood and bone marrow cancer. The exact number of people living with MDS is unknown. Studies suggest that 12,000 to 15,000 MDS cases are newly diagnosed annually in the U.S., and an estimated 50,000 to 75,000 people currently live with MDS.