Trapezium fracture
Revision as of 15:48, 22 March 2016 by Ostermayer (talk | contribs) (Text replacement - "Category:Ortho" to "Category:Orthopedics")
Background
- Occurs via direct blow to thumb or dorsiflexion and radial deviation force
- Major complication is nonunion
Clinical Features
- Painful thumb movement
- Weak pinch
- TTP at apex of anatomic snuffbox, base of thenar eminence
Imaging
- Best seen on 20-degree pronated oblique view
Differential Diagnosis
Carpal fractures
- Scaphoid fracture
- Lunate fracture
- Triquetrum fracture
- Pisiform fracture
- Trapezium fracture
- Trapezoid fracture
- Capitate fracture
- Hamate fracture
Management
- Short arm thumb spica splint
- Displaced fx >1mm or diastasis >2mm require surgery
See Also
Source
- Tintinalli