Radial nerve palsy caused by spontaneously occurring nerve torsion. Case report
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Updated: Sep 23, 2026
Structured Motor Rehabilitation After Selective Nerve Transfers
Published on: August 15, 2019
E Fernandez1, A Di Rienzo, E Marchese
1Department of Neurosurgery, Catholic University School of Medicine, Rome, Italy. procyon@libero.it
Abstract:
An 18-year-old man presented with a spontaneously occurring radial nerve palsy that spared the triceps muscle. At surgery, the portion of the radial nerve located at the midarm level had an hourglass-like appearance. Under magnification, an external-internal neurolysis of the narrowed portion of the hourglass-shaped portion revealed nerve torsion. Straightening of the twisted nerve and fixation accomplished using epiperineurium-fascia stitches to avoid a new torsion resulted in complete functional recovery of the radial nerve.
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