Trapezium fracture: Difference between revisions
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==Imaging== | ==Imaging== | ||
*Best seen on 20-degree pronated oblique view | *Best seen on 20-degree pronated oblique view | ||
[[File:Trapezium_Fracture.jpg|Trapezium fracture]] | [[File:Trapezium_Fracture.jpg|thumb|Trapezium fracture]] | ||
==Differential Diagnosis== | ==Differential Diagnosis== | ||
Revision as of 12:12, 18 November 2014
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