Fig. 3From: IgM monoclonal gammopathy with heavy-and-light-chain amyloidosis resembling fibrillary glomerulonephritis determined by tandem mass spectrometry: a case reportElectron microscopy findings. The arrow in the left panel shows the dense and scattered aggregates of amyloid fibrils in the subepithelial area. The right panel shows randomly oriented straight fibrils under high magnificationBack to article page