Case report identifies membranous-like glomerulopathy features in a patient with plasma cell dyscrasia, suggesting unique diagnostic considerations.
Membranous-like glomerulopathy with masked Ig ĸ deposits, which is characterised by a membranous pattern of glomerular injury, the absence of IgG staining on direct immunofluorescence of fresh tissue, and IgG positivity on DIF of proteinase-K-treated, formalin-fixed, paraffin-embedded tissue. Serum amyloid P deposition is a distinctive feature. We report a 51-year-old man with similar morphology but atypical features and plasma cell dyscrasia.
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Joshi et al. (2025) studied this question.
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