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. 2022 May 7;61(23):3553–3558. doi: 10.2169/internalmedicine.8820-21

Figure 1.

Figure 1.

Light microscopy revealed diffuse mesangial proliferative nephritis with subendothelial deposition. (a) Periodic acid-Schiff stain. (b) Periodic acid methenamine stain. (c) Granular deposition in kappa and lambda light chain staining was negative in the glomerular tuft mesangial region and partial endothelium.