title: The acute analog of polycythemia vera.
mesh_terms: D000208:Acute Disease; D000328:Adult; D001772:Blood Cell Count; D001856:Bone Marrow Examination; D003937:Diagnosis, Differential; D006801:Humans; D008297:Male; D008875:Middle Aged; D011087:Polycythemia Vera / Q000175:diagnosis* / Q000628:therapy