Madelung's deformity

The Madelung deformity (after the German surgeon Otto Wilhelm Madelung) Is a growth disorder of the Forearm, Which is associated with a characteristic deformity. According to him the Madelungsche Handdeformität and Madelungsche fat neck have been appointed.

Etiology

It is a DysostosisCaused by a disturbed process of endochondral ossification is conditioned. In the course of the growth occurs at a lag of distal Radius--Metaphysis. This makes the Ulna longer than the radius. Gender relations between women and men is about 4:1.

Clinical Presentation

The ulna extends to the Dorsal of Wrist apparent. This leads to the so-called Bayonet deformity the Hand. The bayonet deformity can also healed in malposition of the distal Radius Fractures result (Differential Diagnosis).

In the Madelung deformity is restricted the mobility of the wrist. The Dorsiflexion and Abduction ulnar be hampered by bony inhibition. There are usually no Pain. Typical is the early development of a Hangelenks -Osteoarthritis.

Therapy

The therapy should be considered at a perceived as a debilitating restriction of movement and is operating normally. Either the ulna can be shortened (Shortening) Or the radius by a Osteotomy be extended. The aim is to rectify the difference in length and improved functionality.