plasmocytic leukemoid reaction

plas·mo·cyt·ic leu·ke·moid re·ac·tion

the presence of unusual numbers of plasma cells, that is, plasmocytosis, in the bone marrow; may be observed in association with sarcoidosis, rheumatoid arthritis, cirrhosis, Hodgkin disease, and certain of the so-called vascular collagen diseases.
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