Abstract

Major changes occur in the classification of MyeloproliferativeNeoplasms (MPNs) since 2008 when WHO introduced its new classifications for hematopoitic and lymphoid tissues where the nomenclature changed to Neoplasm ,JAK 2 and other clonal abnormalities included in diagnosis of Polycythemia Vera (PV) ,Essential Thrombocytemia(ET) and Primary Myelofibrosis(PMF),the threshold for platelets and sustainability redefined as during the period of work up very little is known about Myeloproliferative Neoplasms among Arab Populations this project is highlighting and describing the MPNs in this part of the world with special focusing for Arab population and with special interest to study in depth ` the familial myeloproliferativeneoplasm’samong Arab populations.