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Fig. 2 | BMC Nephrology

Fig. 2

From: Idiopathic multicentric Castleman disease with Sjögren’s syndrome and secondary membranous nephropathy: a case report and review of the literature

Fig. 2

Immunohistochemistry and electron microscopy. A panel of antibodies were used as indicated (a-e). IgG was positive along the glomerular capillary walls and mesangium. IgG4, C1q, C3 and PLA2R were negative. Electron microscopy (f) showed expanded glomerular capillary walls, subepithelial electron-dense deposits and diffuse podocyte foot process fusion

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