| Autor: |
Granata G; Dipartimento di Neuroscienze, Organi di Senso e Torace, Fondazione Policlinico Universitario Agostino Gemelli IRCCS, 00168 Rome, Italy.; Dipartimento di Neuroscienze, Università Cattolica del Sacro Cuore, 00168 Rome, Italy., Tomasello F; Dipartimento di Neuroscienze, Università Cattolica del Sacro Cuore, 00168 Rome, Italy., Sciarrone MA; Dipartimento di Neuroscienze, Università Cattolica del Sacro Cuore, 00168 Rome, Italy., Stifano V; Dipartimento di Neuroscienze, Organi di Senso e Torace, Fondazione Policlinico Universitario Agostino Gemelli IRCCS, 00168 Rome, Italy., Lauretti L; Dipartimento di Neuroscienze, Organi di Senso e Torace, Fondazione Policlinico Universitario Agostino Gemelli IRCCS, 00168 Rome, Italy.; Dipartimento di Neuroscienze, Università Cattolica del Sacro Cuore, 00168 Rome, Italy., Luigetti M; Dipartimento di Neuroscienze, Organi di Senso e Torace, Fondazione Policlinico Universitario Agostino Gemelli IRCCS, 00168 Rome, Italy.; Dipartimento di Neuroscienze, Università Cattolica del Sacro Cuore, 00168 Rome, Italy. |
| Abstrakt: |
Neuralgic amyotrophy, also called Parsonage-Turner syndrome, in its classic presentation is a brachial plexopathy or a multifocal neuropathy, involving mainly motor nerves of the upper limb with a monophasic course. Recently, a new radiological entity was described, the hourglass constriction, which is characterized by a very focal constriction of a nerve, or part of it, usually associated with nerve thickening proximally and distally to the constriction. Another condition, which is similar from a radiological point of view to hourglass constriction, is nerve torsion. The pathophysiology of neuralgic amyotrophy, hourglass constriction and nerve torsion is still poorly understood, and a generic role of inflammation is proposed for all these conditions. It is now widely accepted that nerve imaging is necessary in identifying hourglass constrictions/nerve torsion pre-surgically in patients with an acute mononeuropathy/plexopathy. Ultrasound and MRI are useful tools for diagnosis, and they are consistent with intraoperative findings. The prognosis is generally favorable after surgery, with a high rate of good motor recovery. |
