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. 2023 Jan 25;10:1014261. doi: 10.3389/fmed.2023.1014261

Figure 2.

Figure 2

Renal pathology in mixed cryoglobulinemia. Light microscopy ( × 10). (A) PAS stain shows membranoproliferative glomerulonephritis characterized by nodular lobulated changes in glomeruli, segmentally thickened and double-contoured appearance of the glomerular basement membrane (black arrow), diffuse intracapillary cell accumulation, and inflammatory cell infiltration (red arrow). (B) Immunofluorescence studies showing Immunoglobulin G deposit in vascular loops with line-like (white arrow).