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The Resolution
Differential Diagnosis
- Bone contusion
- Boxer’s fracture
- Carpometacarpal dislocation
- Intraarticular fracture
- Metacarpal-carpal boss
Diagnosis
This patient suffered an intraarticular fracture at the base of the fifth metacarpal, with medial subluxation and foreshortening of the fracture fragment.
Learnings/What to Look for
- This injury is less common than distal boxer’s fracture
- Recognition of the subluxation may save the patient disability
Pearls for Urgent Care Management and Considerations for Transfer
- This injury may require surgical intervention. Immobilize, provide supportive care, and refer for orthopedic follow-up
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