Relacionar Columnas polycythemia veraVersión en línea information about thus blood cancer por Kennedy Ellis 1 what does polycythemia cause? 2 the mutation in which gene causes this blood cancer 3 drawing blood 4 enlarged spleen 5 what do you experience? 6 polycythemai vera increased number of red blood cells heart attack or stroke helps fight infection and filter unwanted material and gets bigger when there is too much RBCs itchiness, headches, dizziness, bleeding/bruising, weakness, fatigue helps reduce # of RBCs janus kinase 2 (JAK2)