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. 2021 Oct 23;13(21):5324. doi: 10.3390/cancers13215324

Figure 2.

Figure 2

Summary of IWG diagnostic criteria for post polycythaemia myelofibrosis (post-PV MF) and post essential thrombocythemia myelofibrosis MF (post-ET MF). Abbreviations: Hb = hemoglobin; LDH = lactate dehydrogenase; PV = polycythemia vera; ET = essential thrombocythemia; BM = bone marrow; IWG = International Working Group. * Constitutional symptoms: >10% weight loss in 6 months, night sweats, and unexplained fever (>37.5 °C). Adapted from Arber et al. Blood 2016 [2] and Gowin et al. Leuk Res 2015 [15].