Lunate fracture: Difference between revisions
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Revision as of 15:48, 22 March 2016
Background
- Isolated lunate injuries are rare
- Occurs via FOOSH mechanism
- Blood supply enters distal end; fx puts proximal portion at risk for avascular necrosis
Clinical Features
- Axial compression applied along 3rd metacarpal elicits tenderness
Diagnosis
- PA and lateral views
- MRI/CT may be required to identify occult fractures
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
- Ortho referral
See Also
Source
- Tintinalli