The myeloproliferative disorders include myelophthisic anemia , erythroblastic leukemia , leukemoidreaction, myelofibrosis, myeloid metaplasia, polycythemia vera, and thrombocytosis … LEUKEMOIDREACTIONLeukemoidreaction means a very elevated number of white cells. … reactions and transient myeloproliferative disorder.
CML must be distinguished from a leukemoidreaction, which can have a similar appearance on a blood smear. … Basophils and eosinophils are almost universally increased; this feature may help differentiate CML from a leukemoidreaction. … The leukocyte alkaline phosphatase score is usually low in CML and increased in leukemoidreactions.