Fig. 1From: IgM monoclonal gammopathy with heavy-and-light-chain amyloidosis resembling fibrillary glomerulonephritis determined by tandem mass spectrometry: a case reportThe gross pathological findings. (a) Periodic acid-Schiff staining, (b) Periodic acid-methenamine-silver staining, and polarized light microscope for (c) Direct Fast Scarlet staining and (d) Congo red stainingBack to article page