Lateral epicondyle fracture (peds)

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Background

  • Salter-Harris type IV Fx
  • Neurovascular injury uncommon

Diagnosis

Clinical Findings

  • Swelling and tenderness limited to lateral elbow

neurovascular injury is uncommon

Imaging

  • Obtain oblique view if suspicion high despite neg AP/lat
  • Radiocapitellar line won't intersect middle of capitellum in all views
    • May be only sign of fracture if fracture is entirely through growth plate
  • +Fat Pad Sign/"sail" sign
    • May be only sign of nondisplaced fx

Differential Diagnosis

Elbow Diagnoses

Radiograph-Positive

Radiograph-Negative

Pediatric

Treatment

  • Often requires ORIF (ortho consult)

See Also

Source

  • Tintinalli
  • UpToDate