Diagnosis and Monitoring for Light Chain Only and Oligosecretory Myeloma Using Serum Free Light Chain Tests
نویسندگان
چکیده
منابع مشابه
Diagnosis and monitoring for light chain only and oligosecretory myeloma using serum free light chain tests.
This study aims to guide the integration of serum free light chain (sFLC) tests into clinical practice, including a new rapid test (Seralite® ). Blood and urine analysis from 5573 newly diagnosed myeloma patients identified 576 light chain only (LCO) and 60 non-secretory (NS) cases. Serum was tested by Freelite® and Seralite® at diagnosis, maximum response and relapse. 20% of LCO patients had u...
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In recent decades, new serum biomarkers have been developed for routine laboratory practice, such as assaying serum free light chains and more recently, assaying immunoglobulin heavy and light chain isotypes (Hevylite). In this work, we highlight the interest of new biomarkers (Hevylite Test) in the management of monoclonal gammopathies because of the technical advantages it confers and the se...
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In the past decade, the serum free light chain (FLC) immunoassays have become widely available enabling greater sensitivity in the diagnosis and management of monoclonal light chain diseases. Here, we describe a rare case of serum free light chain only myeloma with cytoplasmic IgM. A 75-year-old woman presented with a progressively worsening lumbosacral pain. FDG PET/CT images showed increased ...
متن کاملSerum free light-chain measurements for identifying and monitoring patients with nonsecretory multiple myeloma.
Using sensitive, automated immunoassays, increased concentrations of either kappa or lambda free light chains (and abnormal kappa/lambda ratios) were detected in the sera of 19 of 28 patients with nonsecretory multiple myeloma. Four other patients had suppression of one or both light chains, and the remaining 5 sera had normal or raised free light-chain concentrations with substantially normal ...
متن کاملSerum Free Light Chain Analysis
In healthy individuals, plasma cells originating from the bone marrow produce immunoglobulin molecules composed of two heavy chains and two light chains. There are two types of light chains in humans. The κ light chains are encoded by the immunoglobulin κ locus on chromosome 2 and λ light chains are encoded by the immunoglobulin λ locus on chromosome 22 [1]. During B lymphocyte development, the...
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ژورنال
عنوان ژورنال: Clinical Lymphoma Myeloma and Leukemia
سال: 2017
ISSN: 2152-2650
DOI: 10.1016/j.clml.2017.03.172