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Journal Article

Citation

Vervaecke AJ, Nuyts R, Sys J. Trauma Case Rep 2021; 34: e100508.

Copyright

(Copyright © 2021, Elsevier Publishing)

DOI

10.1016/j.tcr.2021.100508

PMID

34286058

Abstract

INTRODUCTION: Correct diagnosis of pediatric bowing fractures has proven to be challenging. Consequently, these entities are often underdiagnosed both at the initial presentation and at further follow-up. We present a case of an ulnar fracture with subsequent non-union and initially missed associated plastic deformity of the radius to highlight the importance of adequate diagnosis of bowing fractures and obtaining appropriate imaging in pediatric forearm trauma to prevent sequelae. CASE PRESENTATION: A 13-year old male sustained a diaphyseal fracture of the left ulna after a fall on the outstretched hand which was treated conservatively. A non-impact incident (push up on outstretched arm) 4.5 months after the initial trauma caused an ulnar fracture at the same location and was initially considered a simple refracture. Operative treatment was decided on due to significant clinical forearm valgus alignment. Intraoperatively however, a mobile non-union of the ulna was found and anatomic reduction was not possible due to radial bowing. Exploration of the radius showed a clear malalignment with periosteal callus reaction, indicative of a mal-union of the radial bone as a result of the initial injury. To correctly restore alignment, a closing wedge osteotomy of the radius was necessitated followed by plate and screw fixation of both the radius and the ulna.

CONCLUSION: In this patient, failure of recognizing the associated plastic deformity of the radius during the initial presentation led to radial malunion and non-union of the ulna. As a result of this complication, an osteotomy was necessary which probably could have been prevented if an adequate initial diagnosis had been made.


Language: en

Keywords

Bowing fracture; Mal-union; Non-union; Pediatric trauma; Plastic deformity; Radius

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