M component


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component

 [com-po´nent]
1. a constituent element or part.
2. one part of a prosthesis system.
clinical c's the three classification schemes that make up the omaha system: the problem classification scheme arranges 40 nursing diagnoses (called client problems) into four different domains; the intervention scheme assigns nursing interventions to the client problems; and the problem rating scale for outcomes assigns ratings to describe the client's problem-specific knowledge, behavior, and status at various points in the treatment process. See Appendix on the Omaha System.
M component [Myeloma or Macroglobulinemia] structurally homogeneous protein in serum or urine appearing as a sharp spike in the beta or gamma globulin region on protein electrophoresis. The protein is in most cases a monoclonal immunoglobulin or heavy chain fragment, or a monoclonal immunoglobulin light chain or light chain fragment, either alone or with monoclonal immunoglobulin containing the same light chain. M components are characteristic of plasma cell dyscrasias.
performance c's see performance components.
plasma thromboplastin component (PTC) factor IX, one of the coagulation factors.

M component

an abnormal immunoglobulin that appears in large numbers in patients with macroglobulinemia, heavy chain disease, and multiple myeloma.

M component

Monoclonal immunoglobulin A narrow peak or 'spike' seen on SPEP which is presumptive evidence of a monoclonal proliferation of mature B cells producing IgG, IgA or IgM Where seen Myeloma, Waldenström's macroglobulinemia, heavy chain disease, lichen myxedematosus–a rare disease of proliferating fibroblasts. See Serum protein electrophoresis.

M component

a homogeneous immunoglobulin produced by a single clone of cells in a monoclonal gammopathy. May consist of either whole immunoglobulin molecules or their subunits, e.g. light chains or heavy chains. Called also paraprotein, myeloma protein or M protein.