MeSH definition : An advanced phase of chronic myelogenous leukemia, characterized by a rapid increase
in the proportion of immature white blood cells (blasts) in the blood and bone marrow
to greater than 30%.;
MeSH annotation : coordinate IM with specific neoplasm term /pathol (IM); note category; do not confuse
with BLAST TRANSFORMATION see LYMPHOCYTE ACTIVATION; blast transformation in chronic
myelogenous leukemia goes here not at LYMPHOCYTE ACTIVATION;
An advanced phase of chronic myelogenous leukemia, characterized by a rapid increase
in the proportion of immature white blood cells (blasts) in the blood and bone marrow
to greater than 30%.