When Good Morning America host Robin Roberts revealed that she has myelodysplastic syndrome (MDS), she turned a spotlight on a group of blood disorders that affect an estimated 35,000 to 55,000 people in the United States.
In patients with MDS, the bone marrow fails to produce normal quantities of blood cells and the cells themselves are often abnormal, resulting in anemia and an array of symptoms including paleness, fatigue, susceptibility to infections, and easy bruising or bleeding. The syndrome, of which there are at least 15,000 new diagnoses each year in the United States, formerly was known as “pre-leukemia” because about one-third of patients go on to develop acute myelogenous leukemia (AML).
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