Mallet Finger - Clinical Scenario

A patient with a mallet finger injury is unable to extend his fingertip. X-rays show a small bony avulsion fragment. This is a closed, bony mallet injury classified as Doyle Type I. Management includes continuous splinting of the DIP joint in extension for 6–8 weeks.
Mallet Finger - Clinical Scenario

Clinical Scenario

A 67-year-old man presents with mild pain and inability to extend the tip of his middle finger after trapping it in a car door. The injury mechanism was low energy, leading to a closed mallet deformity. The patient has a background of basal thumb steoarthritis but no other associated injuries.

Objectives:

  1. Plan appropriate investigations for a mallet injury.
  2. Describe the difference between tendinous and bony mallet injuries.
  3. Discuss the classification systems for mallet injuries.


Primary Contributor: Dr Suzanne Thomson, Educational Fellow.
Reviewer: Dr Kurt Lee Chircop, Educational Fellow.

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