Executive Editor: Steve Krikler

Authors: Renato Fricker, Jesse Jupiter, Matej Kastelec

Distal forearm Extraarticular fracture of the ulnar styloid process

General considerations

The ulnar styloid may be fractured at its tip, through the body, or through its base (basi-styloid fracture). The level of injury has implications for the integrity of the attachment of the triangular fibrocartilage complex (TFCC) and the stability of the distal radioulnar joint (DRUJ). If the injury involves these structures, they may also require fixation.
A Galeazzi or Essex-Lopresti type of injury may also be present.
Any patient who has had a fall on the outstretched hand may have sustained an intercarpal ligament injury; these may easily be missed on initial clinical assessment.

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