<unk>  is a term describing the finding of symmetrical<unk> swelling seen in patients with congenital syphilis. It most commonly affects the knees, presenting with synovitis and<unk> effusions (collections of fluid within the<unk> capsules) lasting up to a year. It has also been reported affecting the ankles, elbows, wrists and fingers. It is usually painless, although pain in the absence of trauma can occur in a few cases. There is usually no disability associated with the<unk> swelling, and recovery is usually complete. It occurs between 5 and 20 years of age in both sexes. The condition was described in 1886 by Henry Hugh<unk>  in The Lancet.
Clutton's joints
Pivot joint
Golfer's elbow
Elm yellows
Epiphyseal plate
Metacarpal bones
Axon hillock
Ulnar claw