monoclonal gammopathy of undetermined significance
Definition: a paraproteinemia (an abnormal gammaglobulin, typically with ? light chain component) of less than 3 g/100 mL, which, at the time of discovery, is without apparent cause; specifically, there is no evidence of multiple myeloma or other malignant disorders.
Synonym(s): benign monoclonal gammopathy
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Examples: glitazone, GI cocktail, etc.