Difference between leukemia and leukemoid reaction?

Answer 1

leukemoid reaction is exaggerated response to infection. leukemoid reaction is benign but its close resemblance to leukemia made it queit worrisome to doctors and needs to be investigated properly. Although qualified hematologist or oncologist usually consulted but generally in leukemoid reaction leukocyte alkaline phosphatase is elevated while its depressed in leukemia, peripheral blood smears show immature forms in leukemia not particularly in leukemoid reaction .

By cytogenetics presence of philadelphia chromosome in chronic myelogenous leukemia differentiate it from leukemoid reaction in adults.

Answer 2

leukemoid reaction is an increase in normally functioning white blood cells,

in leukemia the wbc's are either blasts (immature, as in acute leukemias--aml) or mature cells (chronic leukemias--cml).

a leukemoid reaction will resolve itself.

Answer 3

Leukemia is a type of cancer that originates in the bone marrow and results in abnormal production of white blood cells. Leukemoid reaction, on the other hand, is a reactive increase in white blood cell count, usually in response to an infection or inflammation, and is not caused by cancer. Leukemoid reaction is usually a temporary and benign condition.