JAK2V617F mutation is common in old patients with polycythemia vera and essential thrombocythemia

Background: JAK2V617F mutation occurs in 90% of polycythemia vera (PV) and in 50% of essential thrombocythemia (ET) patients. Materials and methods: 253 consecutive patients affected by myeloproliferative disorders (MPD, 121 PV, 132 ET) were evaluated and stratified in 4 age groups: 18–39, 40–59, 60...

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