leukoerythroblastosis is a poorly defined , uncommon syndrome with leukocytosis , left shift , and nucleated red blood cells ( nrbcs ) disproportionate to the degree of anemia , which may be associated with leukemia or neoplasia in the bone marrow , acute infection , hemolysis , myelofibrosis , or miscellaneous causes .
C0002890
leukoerythroblastosis
C0002871
anemia