The infection may move up the system to the bladder or to the kidneys. Men most at risk for a UTI include: 1  Those with abnormalities of the urinary tract, such as kidney stones or an enlarged prostate.  Those who have a catheter or tube placed in the bladder.
Familial (hereditary) amyloidosis is a genetic form passed down in families that often affects nerves and kidneys. Secondary amyloidosis (AA) develops along with a chronic infectious or inflammatory disease, such as tuberculosis or rheumatoid arthritis.
Much less commonly, they may be seen in rheumatoid arthritis, where nodes are caused by antibody deposition to the synovium. Bouchard's nodes are comparable in presentation to Heberden's nodes, which are similar osteoarthritic growths on the distal interphalangeal joints, but are significantly less common.