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Monoclonal gammopathy. Monoclonal gammopathy, also known as paraproteinemia, is the presence of excessive amounts of myeloma protein or monoclonal gamma globulin in the blood. It is usually due to an underlying immunoproliferative disorder or hematologic neoplasms, especially multiple myeloma. It is sometimes considered equivalent to plasma ...
Monoclonal gammopathy of undetermined significance ( MGUS) is a plasma cell dyscrasia in which plasma cells or other types of antibody-producing cells secrete a myeloma protein, i.e. an abnormal antibody, into the blood; this abnormal protein is usually found during standard laboratory blood or urine tests. MGUS resembles multiple myeloma and ...
Being asymptomatic, monoclonal gammopathy of undetermined significance and smoldering multiple myeloma are typically diagnosed fortuitously by detecting a myeloma protein on serum protein electrophoresis tests done for other purposes. MGUS is a relatively stable condition afflicting 3% of people aged 50 and 5% of people aged 70; it progresses ...
Monoclonal gammopathy of renal significance. Monoclonal gammopathy of renal significance ( MGRS) are a group of kidney disorders that present with kidney damage due to nephrotoxic monoclonal immunoglobulins (M proteins) secreted by clonal plasma cells or B cells. By definition, people with MGRS do not meet criteria for multiple myeloma or other ...
The underlying cause of MIDD is the production of monoclonal immunoglobulins. Monoclonal immunoglobulins are produced in diseases that feature abnormal proliferation of plasma cells. These diseases include monoclonal gammopathy of undetermined significance, smoldering multiple myeloma, multiple myeloma and Waldenström's macroglobulinemia.
Monoclonal gammopathy of undetermined significance (MGUS), is defined as the presence in the blood or urine of a monoclonal antibody, antibody heavy chain, or antibody light chain in a person lacking symptoms or signs of a more serious plasma cell dyscrasia.
Smouldering myeloma is a disease classified as intermediate in a spectrum of step-wise progressive diseases termed plasma cell dyscrasias.In this spectrum of diseases, a clone of plasma cells secreting monoclonal paraprotein (also termed myeloma protein or M protein) causes the relatively benign disease of monoclonal gammopathy of undetermined significance.
These asymptomatic cases are now classified as two successively more pre-malignant phases, IgM monoclonal gammopathy of undetermined significance and smoldering Waldenström macroglobulinemia. [5] [6] But on occasion, the disease can be fatal, as it was to the French president Georges Pompidou , who died in office in 1974, six years after the ...