The term leukemoidreaction describes an increased white blood cell count, or leukocytosis, which is a physiological response to stress or infection (as opposed to a primary … Conventionally, a leukocytosis exceeding 50,000 WBC/mm3 with a significant increase in early neutrophil precursors is referred to as a leukemoidreaction. … Serum leukocyte alkaline phosphatase is normal or elevated in leukemoidreaction, but is depressed in chronic myelogenous leukemia.
Leukemoidreaction, defined as a neutrophil count 50,000/mL not caused by malignant transformation of a hematopoietic stem cell, can result from a variety of causes (eg, cancer … The leukocyte alkaline phosphatase score is usually low in CML and increased in leukemoidreactions. … Basophils and eosinophils are almost universally increased; this feature may help differentiate CML from a leukemoidreaction.
The myeloproliferative disorders include myelophthisic anemia , erythroblastic leukemia , leukemoidreaction, myelofibrosis, myeloid metaplasia, polycythemia vera, and thrombocytosis … abnormalities diagnosed in patients with Down syndrome include: polycythemia (also known as erythrocytosis), macrocytosis, thrombocytopenia, thrombocytosis, leucopenia, leukemoid … reactions and transient myeloproliferative disorder.