NCIt definition : A genetic abnormality that arises from duplications of the juxtamembrane portion of
the gene and results in constitutive activation of the FLT3 receptor tyrosine kinase
protein in early hematopoietic progenitor cells. It is associated with acute myelogenous
leukemia where it appears to correlate with a poor prognosis.;
Alternative definition : NICHD: A genetic abnormality that arises from duplications of the juxtamembrane portion
of the gene, and which results in constitutive activation of the FLT3 receptor tyrosine
kinase protein in early hematopoietic progenitor cells. It is associated with acute
myeloid leukemia.;