case_images: PMC11441376_01
case_images: Kidney biopsy. a Glomerulus with a crescent. Immunofluorescence staining positive for lambda light chain - glomerular mesangial and capillary loop (b) and tubular basement membrane (c).
case_images: aha-2024-0147-0005-536283_F01.jpg
case_images: PMC11441376_01_aha-2024-0147-0005-536283_F01.jpg
case_images: F1
case_images: Immunofluorescence staining was positive to lambda light chains (+3 mesangial, peripheral, and tubular basement membrane) (Fig. 1).
case_images: Evolution of free lambda light chains level, serum creatinine, albumin, and proteinuria during 3 years from diagnosis.
case_images: aha-2024-0147-0005-536283_F02.jpg
case_images: PMC11441376_01_aha-2024-0147-0005-536283_F02.jpg
case_images: F2
case_images: Kidney function improved (creatinine decreased to 1.27 mg/dL), a significant reduction in proteinuria was detected (1.1 g/24 h), albumin increased to 3.6 g/dL, and lower limbs edema disappeared (Table 1; Fig. 2).