Amyloidosis.
D000682:Amyloid; D000686:Amyloidosis / Q000150:complications / Q000175:diagnosis* / Q000473:pathology; D001172:Arthritis, Rheumatoid / Q000150:complications; D001706:Biopsy; D006801:Humans; D002479:Inclusion Bodies; D008198:Lymph Nodes / Q000473:pathology; D008854:Microscopy, Electron
D000682:Amyloid