monoclonal gammopathy acquired monoclonal Ig light chain-associated Fanconi syndrome https://www.malacards.org/card/acquired_monoclonal_ig_light_chain_associated_fanconi_syndrome A rare monoclonalgammopathy characterized by renal proximal tubule dysfunction secondary to monoclonal kappa light chain deposits in proximal tubular cells. Clinical presentation is with variable chronic kidney disease, low molecular weight proteinuria, aminoaciduria, hyperphosphaturia, uricosuria, bicarbonaturia, and non-diabetic glycosuria. Renal phosphate and urate wasting may cause hypophosphatemia and hypouricaemia. acquired Fanconi syndrome secondary to monoclonal gammopathy MONDO:0019604 SCTID:724099000 acquired monoclonal immunoglobulin light chain-associated Fanconi syndrome GARD:0019154 MEDGEN:1375627 UMLS:C4510369 Orphanet:91136