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Delayed treatment of a neonatal type-I Monteggia fracture-dislocation: a case report
William R Smith1, Scott H Kozin2, Dan A Zlotolow2
1Department of Orthopaedics and Sports Medicine, Temple University Hospital.
Insights
Delayed diagnosis of Monteggia fracture-dislocation can complicate treatment. This case highlights a neonatal injury, missed on initial radiography, successfully treated with external fixation and closed reduction, maintaining joint congruity.
Area of Science:
- Pediatric Orthopedics
- Traumatology
- Medical Imaging
Background:
- Monteggia fracture-dislocation is often missed in neonates due to challenges in visualizing the unossified skeleton via radiography.
- Delayed diagnosis transforms a treatable injury into a complex orthopedic problem.
Abstract:
Delayed diagnosis of a Monteggia fracture-dislocation changes a straightforward, treatable injury into a complex problem. Acute neonatal injuries may be missed because of the inability to visualize the unossified skeleton on radiography, interpreted later as 'congenital' dislocations. We report the case of a 14-month-old with a neonatal Monteggia type-I fracture-dislocation secondary to birth trauma, with anterior radial head dislocation and plastic deformation of the ulna. Uniplanar external fixation was used to restore ulnar length and correct angulation, with subsequent radiocapitellar joint closed reduction. Joint congruity was maintained at the 2-year follow-up, with articular remodeling shown on serial arthrogram.
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