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Constructive Paralysis of the Posterior Interosseous Nerve without External CompressionFrom the Department of Orthopaedic Surgery, Division of Hand Surgery, Nagoya University School of Medicine, Nagoya, Japan Correspondence: Goro Inoue, MD, Department of Orthopaedic Surgery, Division of Hand Surgery, Nagoya University School of Medicine, 1-1-20 Daikominami, Higashi-ku, Nagoya 461, Japan. Four cases of constrictive neuropathy of the posterior interosseous nerve (PIN) in the absence of external compression are reported. All patients presented with a history of severe elbow pain with no apparent cause, followed by paralysis of the PIN. There were one or two well-localized constrictions on the PIN proximal to the arcade of Frohse where no obvious external compressive structure was observed. After epineurotomy with or without neurorrhaphy, three patients had a complete return of motor function within 1 year. The remaining patient required tendon transfer after resection of the abnormal segment of nerve.
Journal of Hand Surgery (British and European Volume), Vol. 21, No. 2,
164-168 (1996) |
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