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Myelodysplastic syndrome (MDS) is the name given to a group of closely related diseases that arise in the bone marrow and involve hematopoietic stem cells, the immature cells from which all blood cells develop.

Each year between 15,000 and 20,000 new cases of MDS are diagnosed in the United States. As the nation's population ages, the number of new cases of MDS is rising. The median age of patients is 70. Secondary (treatment-related) MDS -- which may occur as a result of earlier chemotherapy treatment for cancer -- accounts for about 10 to 20 percent of the cases now diagnosed.

In this section, you can find up-to-date information about MDS, and learn about Memorial Sloan-Kettering's clinical expertise in caring for patients with this disorder.

  • Our Approach & Expertise
    Doctors at Memorial Sloan-Kettering are expert at distinguishing myelodysplastic syndrome from the many other conditions with which it is often confused.
  • Our Clinical Trials
    A continually updated listing of our current clinical trials for adults with myelodysplastic syndrome.
  • After Treatment
    Patients who have myelodysplastic syndrome should be carefully monitored for any changes in the status of their disease.

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