Subscribe to our newsletter. The exact cause of polycythemia vera is not known.
Platelets are specialized blood cells that help prevent and stop bleeding.
In some cases, the disorder may progress into another myeloproliferative disorder such polycythemia vera or idiopathic myelofibrosis. The exact cause of essential thrombocythemia is not known. In idiopathic myelofibrosis, the ability of the bone marrow to produce red blood cells may be impaired. Feature articles, excellent resources, support. Inc. All rights reserved.