A group of rare kidney diseases known for amyloid fibril deposition of apolipoprotein A-I or A-II (AApoAI or AApoAII amyloidosis), lysozyme (ALys amyloidosis) or fibrinogen A-alpha chain (AFib amyloidosis) in one or several organs. Leads to chronic kidney disease. Kidney failure is a common sign. Other symptoms depend on the organ involved and the type of amyloid fibrils deposited.