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Age: 60

Sex: Female

Indication: Elbow pain

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Case #5


Findings

  • Acute nondisplaced radial head fracture
  • Elbow joint effusion


Diagnosis

  • Radial head fracture

Sample Report

Acute nondisplaced radial head fracture.

No joint malalignment.

Elbow joint effusion.

Joint spaces are maintained.


Discussion

  • Radial head fractures are the most common elbow fractures in adults
  • The Mason-Johnston classification system is a commonly used surgical classification for radial head fractures, which divides them into the following 4 types:
    1. Type I: < 2 mm displacement
    2. Type II: > 2 mm displacement and < 30% articular surface involvement
    3. Type III: radial head comminution
    4. Type IV: radial head fracture with dislocation


Images

Red arrow: nondisplaced radial head fracture.

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