Triquetrum fracture: Difference between revisions

(Text replacement - "Category:Ortho" to "Category:Orthopedics")
(Text replacement - "==Diagnosis==" to "==Evaluation==")
Line 11: Line 11:
{{Carpal fractures}}
{{Carpal fractures}}


==Diagnosis==
==Evaluation==
[[File:Triquetrum_Fracture.jpg|thumb|Avulsion fracture of triquetrum]]
[[File:Triquetrum_Fracture.jpg|thumb|Avulsion fracture of triquetrum]]
*Lateral/oblique in partial pronation
*Lateral/oblique in partial pronation

Revision as of 14:09, 26 July 2016

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

Differential Diagnosis

Carpal fractures

AP view

Evaluation

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

Management

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

See Also

References