To provide you with additional information about how we collect and use your personal data, we’ve recently updated our Privacy Policy and Terms of Service. Please review these pages now, as they apply to your continued use of our website.
Primary myelofibrosis is a rare myeloproliferative syndrome that is characterized by abnormalities in blood cell production (hematopoiesis) and scarring (formation of fibrous tissue) within the bone marrow. Bone marrow, HE x100.