Figure 1.
A working, molecular-based, classification of thrombocytosis.
Abbreviations: CML, chronic myelogenous leukemia; PV, polycythemia vera; ET, essential thrombocythemia; PMF, primary myelofibrosis; sMF, secondary (post-polycythemic/post-thrombocythemic) myelofibrosis; RARS-T, refractory anemia with ringed sideroblasts and marked thrombocytosis; 5q– MDS, myelodysplastic syndrome with 5q–abnormality.