Resumo

GRILLE, Víctor et al. Síndrome del nervio interóseo posterior: presentación de 3 casos.Posterior interosseous nerve syndrome: report of 3 cases.. Rev. Urug. Med. Int. [online]. 2016, vol.1, n.2, pp.59-64. ISSN 2393-6797.

Compressive neuropathy of the posterior interosseous nerve is rare. Clinically it is expressed by a paresis (or plegia) of the extensor muscles of the wrist, fingers and thumb abductors. The electrophysiologic studies are essential for the diagnosis, and ultrasound or magnetic resonance imaging help rule out secondary causes of compression, but the diagnosis is still based on a correct clinical examination. In cases that do not improve or who have a severe deficit, surgery is indicated as it has up to 95 % of good results when it is accompanied by a good subsequent rehabilitation. We present three cases of paralysis of posterior interosseous nerve, caused by compression on its way below the short supinator. Of these, one had spontaneous improvement and two required decompressive surgery.

Palavras-chave : Radial nerve; Posterior interosseous nerve.

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