Presentation
Trauma
Patient Data
Age: 50 years
Gender: Male
From the case:
Mallet finger
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Intra-articular fracture through the base of the distal phalanx of the 5th finger. There is a 4mm triangular avulsion fragment at the insertion of the common extensor tendon with 3mm dorsal displacement. Findings are consistent with a mallet fracture and orthopedic review is recommended.
Case Discussion
The patient presented following trauma with an inability to extend the distal interphalangeal joint in keeping with a mallet finger injury. Treatment is most commonly non-operative using an extension splint. Indications for operative management include open injury, volar subluxation of the distal phalanx, avulsion fragment more than one-third of the articular surface and more than 2mm displacement.
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