Abstract
ABSTRACT Objectives Proliferative glomerulonephritis with monoclonal immunoglobulin deposits (PGNMID) is a subtype of monoclonal gammopathy of renal significance (MGRS). PGNMID can present with insidious, slowly progressing kidney damage to overt nephrotic syndrome or rapidly progressive glomerulonephritis. It is a renal-limited disease that often lacks a detectable plasma or B-cell clone and requires kidney biopsy for diagnosis. Methods We present the case of a 77-year-old woman who developed nephrotic range proteinuria and progressive chronic kidney disease, despite a normal hematological work-up that showed no evidence of monoclonality. Results This case highlights the potential risk for severe renal damage caused by monoclonal proteins, even in the absence of a detectable pathological hematologic clone. Conclusion PGNMID requires further research to gain knowledge regarding pathophysiology and potential serum biomarkers for diagnosis as well as therapy response.
Published Version
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