Dupuytren's disease is a condition in the hands first described and treated in 1831 by French anatomist and surgeon Baron Guillaume Dupuytren. It is characterised by the involvement of the palmar fascia in the hand with development of a fibromatous nodule on the palm of the hand that can form fibrous cords causing pain, pulling the fingers inwards, and functional incapacity of the hand.
Carpal Tunnel Syndrome
Compressive or painful carpal tunnel syndrome is characterised by numbness or tingling (paraesthesia) in the hand. It may be accompanied by pain and functional incapacity specifically affecting the first four fingers of the hand. It is caused by compression of the median nerve as it travels through the wrist, due to changes or thickening in the structures forming the carpal tunnel.
Guyon's Tunnel Syndrome
Compressive or painful Guyon’s tunnel syndrome is pain or numbness (paraesthesia) in the last two fingers of the hand, resulting from changes or compression in the cubital nerve as it travels through the tunnel to the wrist.
Syndactyly is a congenital malformation of the hands or feet, seen in the fingers or toes. It consists of an abnormal fusing of the soft parts of two or more fingers or toes. It normally extends to the first articulation of the digits or the proximal interphalangeal joints (partial syndactyly), but can also occur along the entire digit (full or total syndactyly).