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Case Report: Monotypic IgG1-λ fibrillary glomerulonephritis associated with rheumatoid arthritis

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Key takeaways

This report describes one 72-year-old woman with joint disease who had a rare kidney condition. Her kidney biopsy showed specific protein deposits. This is a single patient story, not a large study, so it does not prove a cause or effect.

Who did this work

Adam Nedoroščík (Charles University) · Jana Moravcová (Institute of Clinical and Experimental Medicine) · Lenka Manakova · Oskar Zakiyanov (Charles University) · Romana Ryšavá (Charles University) · Vladimir Tesar (Charles University) · Marek Kollár (Charles University)

Source

Article · OpenAlex, Kidney disease concept sweep (verified C2778653478) · 2026-10-13
https://doi.org/10.3389/fneph.2026.1932311