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.
Longstanding rheumatoid arthritis causes rheumatoid nodules on the fingers. These are collections of inflammatory cells and fibrous tissue. Gout is another cause of lumps on the finger joints. These lumps are called âtophiâ and consist of collections of monosodium urate crystals, inflammatory cells, and fibrous tissue. People with elevated blood lipids can develop lumps on the finger joints due to the accumulation of cholesterol. Plant thorn synovitis is a condition caused by the puncture of a rose thron into the joint. This leads to infection in the joint and is an unusual but dangerous cause of lumps on the finger joint.