Medical Dictionary

monoclonal gammopathy

noun

medical Definition of monoclonal gammopathy

:any of various disorders marked by proliferation of a single clone of antibody-producing lymphoid cells resulting in an abnormal increase of a monoclonal antibody in the blood serum and urine and that include both benign or asymptomatic conditions and neoplastic conditions (as multiple myeloma and Waldenström's macroglobulinemia) called also plasma cell dyscrasia; see m protein 2

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