- Discussion:
- distal radioulnar subluxation/dislocation  (see TFC Injury)
- tear of the lunotriquetral
- ulnocarpal impingement syndromes
- pisotriquetral osteoarthritis
- pisotriquetral loose bodies
- subluxation/dislocation of the pisiform
- fractures (ulnar styloid Process)
- chondromalacia
- calcific tendinitis
- medial carpal instability
- radioulnar arthritis
- subluxation of the ECU

The ulnar impaction syndrome: follow-up of ulnar shortening osteotomy.