Analytical performance and diagnostic potential of immunoassays determining intact immunoglobulin kappa/lambda ratios in monoclonal gammopathies.


BACKGROUND Hevylite chain (HLC) assays with specificity for epitopes at the junction between heavy and light chains of intact immunoglobulins (Ig) allow quantification of Ig kappa/lambda ratios of the three major Ig classes. Calculated Ig kappa/lambda ratios outside the reference range indicate a monoclonal background. The primary aim of the present study… (More)


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