Updated: 9/28/2018

Digital Collateral Ligament Injury

Review Topic
https://upload.orthobullets.com/topic/6039/images/mri collateral lig.jpg
  • Trauma to the digit injuring the radial or ulnar collateral ligaments
  • Mechanism
    • depends on the joint involved
    • usually the result of a "jammed finger"
    • doral or volar dislocation events can tear one or both of the collateral ligaments
  • Collateral ligaments of the digits
    • located on the lateral aspect of the DIP, PIP and MCP joints 
    • crucial for opposing pinch stability
  • Symptoms
    • pain at involved joint
    • instabilty with pinch once pain resolved
  • Physical exam
    • inspection
      • swelling at involved joint
      • deformity of joint
    • provocative tests
      • varus and valgus stress tests
  • Radiographs
    • recommended views
      • PA
      • lateral
      • oblique
      • varus/valgus stress views may aid in diagnosis
  • MRI 
    • indicated if equivocal physical exam findings 
  • Nonoperative
    • buddy taping for 3 weeks
      • indications
        •  simple tears
    • buddy taping for 6 weeks
      • indications
        •  complete tears
  • Operative
    • collateral ligament repair
      • indications
        •  radial ligament injuries of index finger (ligament needed for pinch stability)

Please rate topic.

Average 3.5 of 8 Ratings

Thank you for rating! Please vote below and help us build the most advanced adaptive learning platform in medicine

The complexity of this topic is appropriate for?
How important is this topic for board examinations?
How important is this topic for clinical practice?
Topic COMMENTS (1)
Private Note