| Introduction |
- Impaction between ulnar styloid tip and triquetrum that is seen in patients with excessively long ulnar styloids.
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| Presentation |
- Physical exam
 Differential for ulnar sided wrist pain
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| Imaging |
- Radiographs
- excessive length determined by subtracting ulnar variance from ulnar styloid length and dividing this by the width of the ulnar head (<.22 is normal)
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| Treatment |
- Nonoperative
- activity modifications, NSAIDS, steroid injections
- Operative
- partial ulnar styloidectomy
- indications
- nonoperative treatment fails
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