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  Indian J Med Microbiol
 

Figure 2: (a) An enlarged glomerulus showing eosinophilic, amorphous, hyaline deposits in the mesangium, and glomerular basement membrane (yellow arrow, H and E, ×400). (b) These deposits are weakly periodic acid–Schiff-positive and are seen to be present within the vessel wall (yellow arrow, periodic acid–Schiff stain, ×400). (c) The deposits are nonargyrophilic (yellow arrow, periodic Schiff-Methenamine Silver stain, ×400). (d) The deposits are congophilic and show apple-green birefringence under polarized light (yellow arrow, Congo red stain, ×400)

Figure 2: (a) An enlarged glomerulus showing eosinophilic, amorphous, hyaline deposits in the mesangium, and glomerular basement membrane (yellow arrow, H and E, ×400). (b) These deposits are weakly periodic acid–Schiff-positive and are seen to be present within the vessel wall (yellow arrow, periodic acid–Schiff stain, ×400). (c) The deposits are nonargyrophilic (yellow arrow, periodic Schiff-Methenamine Silver stain, ×400). (d) The deposits are congophilic and show apple-green birefringence under polarized light (yellow arrow, Congo red stain, ×400)