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Archivos argentinos de pediatría

Print version ISSN 0325-0075On-line version ISSN 1668-3501


SANCHEZ SABA, Javier E et al. Isolated irreducible anterior radial head dislocation in a child: a rare case report. Arch. argent. pediatr. [online]. 2018, vol.116, n.4, pp.e630-e634. ISSN 0325-0075.

Anterior radial head dislocation in pediatric population is related to Monteggia fracture-dislocations. Isolated radial head dislocation is uncommon. Sometimes, radial head dislocation becomes irreducible. This entity can develop into chronic conditions such as nerve injuries, early osteoarthritis, limited range of motion and cubitus valgus. We describe a case of a 9-year-old patient who suffered elbow trauma. He was admitted to our institution 40 days after, where radial head dislocation was diagnosed. This condition was misdiagnosed at first stage. It was irreducible due to a tear in the annular ligament. He underwent open reduction. Radial head dislocation must be suspected even if there are no fractures or plastic deformity. Pure irreducible radial head dislocation is rare. Physical examination, together with plain bilateral radiographs and full acknowledgement of this rare condition are the basis to reach early diagnosis, which leads to proper non-delayed treatment.

Keywords : Elbow; Traumas; Radial heads dislocation.

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