Polycythemia Vera • A clonal proliferation of myeloid cells • Increased RBC mass, JAK2 mutation • Pruritus, headaches, epistaxis, erythromelalgia, gout • Plethora„engorged retinal veins, splenomegaly, hypertension • Serial phlebotomy #PolycythemiaVera #Diagnosis #WHO #Criteria #Hematology