myeloproliferative neoplasms /mī′əlōprōlif″ərətiv′/ , a family of chronic malignant bone marrow and blood diseases caused by mutations that generate clones of myelocytic or erythrocytic precursors and platelet precursors. Kinds include chronic myelogenous leukemia, polycythemia vera, essential thrombocythemia, primary myelofibrosis.
