Primary amyloidosis of the renal pelvis.
D000368:Aged; D000686:Amyloidosis / Q000473:pathology*; D006801:Humans; D007682:Kidney Pelvis / Q000473:pathology*; D008297:Male; D008875:Middle Aged; D009397:Nephrocalcinosis / Q000000981:diagnostic imaging; D011859:Radiography