title: [Letter: Malignant megakaryosytosis; transformation of Vasquez's disease].
mesh_terms: D001856:Bone Marrow Examination; D005260:Female; D006801:Humans; D007122:Immunoelectrophoresis; D015470:Leukemia, Myeloid, Acute / Q000209:etiology*; D008533:Megakaryocytes; D008875:Middle Aged; D011087:Polycythemia Vera / Q000097:blood / Q000150:complications*
vernacular_title: Mégaxaryocytose maligne; transformation d'une maladie de Vaquez