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Related Experiment Videos

Distal ulnar physeal injury.

R J Golz1, D P Grogan, T L Greene

  • 1Department of Orthopaedics, Tulane University School of Medicine, New Orleans, Louisiana.

Journal of Pediatric Orthopedics
|May 1, 1991
PubMed
Summary

Distal ulnar physis injuries are often difficult to diagnose radiographically. Premature closure and ulnar shortening occurred in 55% of patients, though most remained asymptomatic.

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Area of Science:

  • Orthopedic Surgery
  • Pediatric Orthopedics
  • Radiology

Background:

  • Injuries to the distal ulnar physis are uncommon but can lead to significant long-term complications.
  • Understanding the fracture patterns and consequences is crucial for accurate diagnosis and management.

Observation:

  • A review of 18 patients and two amputation specimens revealed injuries involving the distal ulnar physis.
  • Type 1 growth mechanism injuries were the most frequent pattern observed.

Findings:

  • Premature physeal closure and subsequent ulnar shortening occurred in 55% of patients.
  • Other observed consequences included radial bowing, ulnar angulation of the distal radius, and ulnar translocation of the carpus.
  • Despite these radiographic findings, most patients were asymptomatic.

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Implications:

  • The late ossification of the distal ulnar physis can make initial radiographic diagnosis challenging.
  • High suspicion for concomitant ulnar physeal injuries is warranted in all distal radius injuries, particularly when ulnar metaphyseal or styloid fractures are not apparent.
  • Early recognition and appropriate management are essential to prevent long-term limb length discrepancies and deformities.