Musculoskeletal #42

Clinical Data

55-year-old female:

  • With trauma

  • Painful elbow after a fall from height

  • Supination and pronation painful



What’s the radiological sign visible on the radiograph?

Capitellum fracture

The case represents a classic capitellum fracture, with a mildly displaced fragment on the lateral projection, which can easily be missed if one is not familiar with the double-arc sign.

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