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Myeloproliferative neoplasms (MPNs) are chronic disorders that cause excessive production of blood cells. These blood cells are formed in the bone marrow by hematopoietic “stem cells” that create all of the different blood cell types. These stem cells produce red blood cells, white blood cells, and platelets. Each of these blood components plays a different role, and in MPNs the ratio and number of the red blood cells, white blood cells and platelets is out of balance.

Learn more about MPNs, our research and treatments.

Richard T. Silver MD Myeloproliferative Neoplasms Center 525 East 70th St., Starr Pavillion, 3rd Floor New York, NY 10021 SilverMPNCenter@med.cornell.edu