Does isolated del(5q) have the same prognostic implications for post-PV secondary myelofibrosis as it does in MDS?

Karyotypic abnormalities are rare in PV and ET. Abnormalities in myelofibrosis (MF) that are associated with an inferior prognosis are: 20q-, 13q-, +9, chromosome 1 translocation/duplication, -Y or sex chromosome abnormality other than –Y. There are few reports of del5q in MPN in general and not eno...