<prompt> An example of chronic myeloproliferative disorder isNeutrophilic leukemoid reactionEssential thrombocythemiaPlasmacytosisHairy cell leukemia  <response>: According to WHO classification of myeloid neoplasms,the diseases under myeloproliferative group are chronic myeloid leukemia ,chronic neutrophilic leukemia ,chronic eosinophilic leukemia ,polycythemia vera essential thrombocytopenia.Reference :Harsh mohan textbook of pathology sixth edition pg no 357. 