Journal article

Lambda light chain induced nephropathy: a rare cause of the Fanconi syndrome and severe osteomalacia.

KL Bate, D Clouston, D Packham, S Ratnaike, PR Ebeling

Am J Kidney Dis | Published : 1998

Abstract

The Fanconi syndrome is a generalized disorder of proximal renal tubular transport characterized by wasting of phosphate, amino acids, glucose, bicarbonate, and uric acid. The association of the acquired Fanconi syndrome with lambda light-chain proteinuria is rare. We report the third case in the English language literature. A 65-year-old man presented with severe pelvic pain. Investigations showed an elevated serum creatinine level, and a 24-hour urine collection contained 2.56 g protein. The Fanconi syndrome was diagnosed, with findings of phosphaturia, glycosuria, and aminoaciduria. Bence Jones protein (lambda sub-type) was present in the urine at a concentration of 0.58 g/L. Monocytic ce..

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