Medical term:
cryoglobulin
cryoglobulin
[kri″o-glob´u-lin]a serum globulin (invariably an immunoglobulin) that precipitates at low temperature (e.g., 4°C) and redissolves at 37°C. Cryoglobulins are classified as Type I, monoclonal immunoglobulins; Type II, immune complexes involving monoclonal immunoglobulins with antibody activity against polyclonal immunoglobulins; or Type III, immune complexes involving polyclonal immunoglobulins (in most cases, these are globulin-antiglobulin immune complexes like Type II complexes). Types I and II occur in plasma cell dyscrasias and lymphoproliferative disorders as well as in asymptomatic “essential” cryoglobulinemia. Types II and III occur in autoimmune diseases such as rheumatoid arthritis, systemic lupus erythematosus, and Sjögren's syndrome. Type III also occurs in a wide variety of infectious diseases.
Miller-Keane Encyclopedia and Dictionary of Medicine, Nursing, and Allied Health, Seventh Edition. © 2003 by Saunders, an imprint of Elsevier, Inc. All rights reserved.
cryoglobulin
Hematology An abnormal protein–eg, polymeric IgG3, detected by cooling serum to 32ºC Found in Myeloma, Waldenström's macroglobulinemia, rheumatoid arthritis, Sjögren syndrome, CLL, SLE. See Cryoglobulinemia.McGraw-Hill Concise Dictionary of Modern Medicine. © 2002 by The McGraw-Hill Companies, Inc.
Cryoglobulin
An abnormal blood protein associated with several diseases. It is characterized by its tendency to clump in cold temperatures.
Mentioned in: Cryoglobulin Test
Gale Encyclopedia of Medicine. Copyright 2008 The Gale Group, Inc. All rights reserved.
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