Triquetrum fracture: Difference between revisions

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==Imaging==
==Imaging==
*Lateral
*Lateral/oblique in partial pronation
**Best for seeing avulsion fx (tiny flake of bone on dorsum of triquetrum)
**Best for seeing avulsion fx (tiny flake of bone on dorsum of triquetrum)
*PA
*PA
**Best for seeing nondisplaced fx  
**Best for seeing nondisplaced fx


==Management==
==Management==

Revision as of 22:07, 9 June 2014

Background

  • 2nd most common carpal bone injury
  • Mechanism of injury
    • Avulsion Fracture: Twisting motion of hand is suddenly resisted
    • Body Fracture: Direct trauma (commonly accompanied by lunate/perilunate dislocations)

Clinical Features

  • Localized tenderness over dorsum of wrist in area immediately distal to ulnar styloid

Imaging

  • Lateral/oblique in partial pronation
    • Best for seeing avulsion fx (tiny flake of bone on dorsum of triquetrum)
  • PA
    • Best for seeing nondisplaced fx

Management

  • Avulsion fracture
    • Wrist splint x1-2wks
  • Body fracture
    • Refer to orthopedist
      • Stable: cast x 6wks
      • Unstable (>1mm displacement): May require internal fixation

Images

Triquetrum Fracture.jpg

See Also

Wrist Fracture

Source

  • Tintinalli