For a person with<unk>  in the hands, the fingers become shortened by<unk> , and the shortening may become severe enough that the hand looks paw-like, with the first deformity occurring at the interphalangeal and metacarpophalangeal joints. The excess skin from the shortening of the phalanx bones becomes folded transversely, as if retracted into one another like opera glasses, hence the description la main en lorgnette. As the condition worsens, luxation, phalangeal and metacarpal bone absorption, and skeletal architecture loss in the fingers occurs.
Arthritis mutilans
Scrupulosity
Arthrofibrosis
Myositis ossificans
Hypertrophic osteoarthropathy
Discoid lupus erythematosus
Tuberculous dactylitis
Myospherulosis