[Unusual progression of polycythemia vera].

The case of a male patient with newly diagnosed polycythemia vera showing rare and unusually rapid progression with phenotypic change towards chronic myelomonocytic leukemia is presented. The case report illustrates remarkably rapid disease progression including a structural change in usually indolent polycythemia vera and highlights the prognostic relevance of enhanced molecular genetic testing.
(© 2024. The Author(s), under exclusive licence to Springer Medizin Verlag GmbH, ein Teil von Springer Nature.)