Mallet finger

Case contributed by Mohammad Osama Hussein Yonso
Diagnosis certain

Presentation

Trauma to the right ring finger 1 day back. On examination: localized swelling and tenderness in the DIP joint area, with mallet finger deformity.

Patient Data

Age: 35 years
Gender: Male
x-ray

Avulsed fracture at the base of the distal phalanx of the right middle finger (mallet finger). Associated soft tissue swelling.

Case Discussion

A mallet finger refers to an injury of the finger extensor mechanism, either as a result of injury to the extensor tendon or due to an avulsion fracture at the base of the distal phalanx with dorsal displacement, resulting in the shape of a hammer-like finger.

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