
Knuckle pads (also known as `Heloderma`, meaning similar to the skin of the Gila monster lizard for which it is named) are circumscribed, keratotic, fibrous growths over the dorsa of the interphalangeal joints. Knuckle pads are well-defined, round, plaque-like, fibrous thickening that may develop at any age, and grow to be 10 to 15mm in diameter.....
Found on
http://en.wikipedia.org/wiki/Knuckle_pads

An autosomal dominant trait, in which thick pad's of skin appear over the proximal phalangeal joints; occasionally associated with leukonychia and deafness or Dupuytren's contracture, a callus reaction in persons predisposed to producing callus and as the result of occupational or self-inflicted trauma. ... (05 Mar 2000) ...
Found on
http://www.encyclo.co.uk/local/20973

nodular thickenings of the skin on the dorsal surface of the interphalangeal joints, thought to be hereditary; they may cause contractures.
Found on
http://www.encyclo.co.uk/local/21001

Type: Term Definitions: 1. an autosomal dominant trait, in which thick pads of skin appear over the proximal phalangeal joints; occasionally associated with leukonychia and deafness or Dupuytren contracture; 2. a callus reaction resulting from occupational or self-inflicted trauma.
Found on
http://www.medilexicon.com/medicaldictionary.php?t=64416
No exact match found.