Fig. 1

Histology of renal amyloidosis. a H&E stain shows extensive effacement of the glomerular architecture by amorphous amyloid. b The involvement of glomeruli by AA amyloid are revealed by immunohistochemistry using antibody specific for amyloid A protein. c Electron micrograph shows random alignment of amyloid fibrils in the subepithelial zone of a glomerular capillary