Journal
NEPHRON
Volume 91, Issue 3, Pages 504-505Publisher
KARGER
DOI: 10.1159/000064296
Keywords
light-chain nephropathy; nodular lesion; resolution; steroid pulse; melphalane
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A 37-year-old man developed nephrotic syndrome and renal insufficiency in 1986. He had kappa-light-chain protein both in serum and urine. A renal biopsy showed nodular glomerulosclerosis with deposition of kappa-light-chains in the mesangial area, compatible with light-chain nephropathy. Thereafter, he was treated with steroids and melphalane and the light-chain protein disappeared from both the urine and serum. Although his moderately impaired renal function maintained stable levels for over 10 years, he was diagnosed as having renal cell carcinoma in 1998, and a right nephrectomy was performed. Histopathological examination of a portion of the removed kidney, unaffected by carcinoma, showed mild mesangial proliferation, and both the nodular lesions and light-chain deposits were no longer observed. These observations suggest that an established nodular glomerular lesion may be reversible. Copyright (C) 2002 S. Karger AG, Basel.
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