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Ulnar Impingement Syndrome

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Other Names

  • Ulnar Impingement Syndrome

Background

  • Wrist pain caused by a shortened Ulna impinging upon the distal Radius proximal to the sigmoid notch
  • Etiology
    • Most commonly from ulnar resection in the setting of trauma
    • Can also occur due to de novo negative ulnar variance

Pathophysiology


Risk Factors


Differential Diagnosis


Clinical Features


Evaluation

Radiographs

  • Standard Radiographs Wrist
  • Features: Ulnar shortening, radioulnar convergence, subchondral sclerosis, bone edema, scalloping of distal radius[1]
  • Radiographic features seen in chronic cases

MRI

  • More sensitive for early disease

CT


Classification

  • N/A

Management

Nonoperative

  • Generally considered a surgical problem as disease progression is likely

Operative

  • Surgical options which preserve function are limited[2]
  • Goals are reduction in pain and unrestricted forearm rotation
  • Techniques:
    • Hemiresection arthroplasty of the ulnar head
    • Kapandji-Sauve´ arthroplasty

Return to Play

  • At the discretion of the hand surgeon

Complications

  • Chronic pain
  • Loss of ADLs

See Also


References

  1. https://radiopaedia.org/articles/ulnar-impingement-syndrome?lang=us
  2. Krimmer, Hermann, et al. "The distal radial decompression osteotomy for ulnar impingement syndrome." Archives of orthopaedic and trauma surgery 136.1 (2016): 143-148.
Created by:
John Kiel on 1 November 2019 17:01:06
Authors:
Last edited:
13 October 2022 21:57:44
Categories: