Definition of "gammopathy" [gammopathy]

• Any disease or malfunction that affects the production of gamma globulin and related immunoglobulins (noun)

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• "Michael Emery, a 68-year-old retired engineer in Bonita Springs, Fla., says his doctor gave him a free one-month subscription to help him learn more about his rare condition called monoclonal gammopathy of undetermined significance, or MGUS."
• "Do patients fare better when they're told they suffer from POEMS, or the Crow-Fukase syndrome of polyneuropathy, organomegaly, endocrinopathy, monoclonal gammopathy, and skin changes?"
• "Waldenstrom's Macroglobulinemia is a distinct lymphoproliferative disorder characterized by bone marrow infiltration with lymphoplasmacytic cells, along with an IgM monoclonal gammopathy."