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Trapezium fracture
From WikEM
Contents
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
- Triquetrum fracture
- Lunate fracture
- Trapezium fracture
- Pisiform fracture
- Hamate fracture
- Capitate fracture
- Trapezoid fracture
Management
- Short arm thumb spica splint
- Displaced fracture >1mm or diastasis >2mm require surgery
See Also
References
Authors
Jordan Swartz, Ross Donaldson, Neil Young, Daniel Ostermayer
