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Revista Uruguaya de Medicina Interna

Print version ISSN 2393-6797On-line version ISSN 2393-6797

Abstract

SCHELOTTO, Elena et al. Entrapment neuropathy of the posterior interosseous nerve in an adult with bone displasia. Rev. Urug. Med. Int. [online]. 2017, vol.2, n.1, pp.49-57. ISSN 2393-6797.

Entrapment neuropathy of the posterior interosseous nerve, motor branch of the radial nerve can be caused by structural, mechanical, or dynamic compression in specific locations that lead to nerve injury. The proximity of the posterior interosseous nerve to the radial head makes it susceptible to injury from acute or chronic traumatic events, such as late manifestation secondary to dislocation of the radial head. The latter is a rare entity in adults and always raises several differential diagnoses related to their origin and possible association with Achondroplasia. The compressive pathology of the posterior interosseous nerve can generate two different syndromes: posterior interosseous nerve syndrome or radial tunnel syndrome. This article describes the case of an adult with a posterior interosseous nerve entrapment neuropathy with unilateral radial head dislocation and personal history of Bone Dysplasia. Through analysis of electrodiagnostic and imaging studies, differential diagnoses, etiological and positive diagnosis of posterior interosseous nerve syndrome arise. As well as the possibility of conservative and surgical treatment.

Keywords : Entrapment; Posterior interosseous nerve; Radial tunnel; Syndrome posterior interosseous nerve syndrome; Radial head dislocation..

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