Fig. 3From: Exceptional mucocutaneous manifestations with amyloid nephropathy: a case reportRenal biopsy findings. a Glomeruli and peripheral capillary wall contains segmental deposits of eosinophilic amorphous hyaline material (hematoxylin-eosin, × 100). b Congo red stain by birefringence under polarized light of arteriolar wall shows apple-green staining reaction (× 100). c Electron micrograph showing extensive infiltration by 10-nm fibrilsBack to article page