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.
Rheumatoid arthritis is an autoimmune disease that causes inflammation and thickening of the synovium. This in turn results in damage to the bone and cartilage. Children are not immune to arthritis, and juvenile arthritis can cause swelling in the joints, which can then become misaligned and misshapen if not treated.