Classic MPDs comprise four subtypes: chronic myeloid leukemia (CML), polycythemia vera (PV), essential thrombocythemia (ET) and chronic idiopathic myelofibrosis (CIMF).

• 慢性粒细胞白血病(CML)、真性红细胞增多症(PV)、原发性血小板增多症(ET)、慢性特发性骨髓纤维化(CIMF)均归于典型MPD；