leukoerythroblastic reactionAn ↑ in the peripheral blood of immature RBCs, ie normoblasts, and immature granulocytes, metamyelocytes and bands, which may be associated with metastatic cancer, hematopoietic malignancy, hemolytic anemia, Gaucher's disease, polytrauma, BM infiltration by various processes, including infection–eg, fungal, viral, TB, sarcoidosis, histiocytosis, hypoxia;1⁄3 of Pts with LER have no known underlying disease. Cf Leukemoid reaction.
pertaining to or emanating from the production of erythrocytes.
a bone marrow response in which nucleated red blood cells and immature leukocytes are released. Seen in all species, most commonly in dogs and cats.