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Mar 9, 2015Article Details
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Main Article Content
Case report: The utility of urine sulphosalicylic acid testing in the detection of non-albumin proteinuria
Abstract
We report two cases of immunoglobulin light chain proteinuria (Bence Jones proteinuria) detected by simple side-room investigations: urine dipstick negative/1+, but with strong positive precipitation on addition of an equal volume of sulphosalicylic acid (SSA) 3%. We
highlight a significant limitation of urine dipstick testing, namely specificity for albumin, and the utility of SSA testing for the detection of urinary free light chain immunoglobulins.
