Which one of the following laboratory test differentiates leukamoid reaction from chronic myeloid leukemia?
Ans. is 'a' i.e., LAP (leukocyte alkaline phosphatase) o A leukemoid reaction is an exuberant form of ieucocytosiswith leucocyte count upto 50000/mm3, that may follow infections.It is difficult to distinguish leukemoid reaction from leukemia.Absence of Philadelphia chromosome and increase in leucocyte alkaline phosphatase score rules out CML. CMLLeukemoidpH chromosome+ve-veALPDecreasedIncreased
LAP (leukocyte alkaline phosphatase)
LCA (leukocyte common antigen)
MPO (myelo-peroxidase)
TRPA (tartrate resistant alkaline phosphatas
Leukemia