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Ultrasonographic identification of nerve pathology in neuralgic amyotrophy: Enlargement, constriction, fascicular entwinement and torsion.

Arányi, Zsuzsanna and Csillik, Anita and Dévay, Katalin and Rosero, Maja and Barsi, Péter and Böhm, Josef and Schelle, Thomas (2015) Ultrasonographic identification of nerve pathology in neuralgic amyotrophy: Enlargement, constriction, fascicular entwinement and torsion. MUSCLE & NERVE, 52 (4). pp. 503-511. ISSN 0148-639X

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Abstract

Objective: To characterize the ultrasonographic findings on nerves in neuralgic amyotrophy. Methods: Fourteen patients with neuralgic amyotrophy were examined using high resolution ultrasound. Results: Four types of abnormalities were found: 1. Focal or diffuse nerve / fascicle enlargement (57%), 2. incomplete nerve constriction (36%), 3. complete nerve constriction with torsion (50%) (hourglass-like appearance), and 4. fascicular entwinement (28%). Torsions were confirmed intraoperatively and occurred on the radial nerve in 85% of the patients. A significant correlation was found between no spontaneous recovery of nerve function and constriction / torsion / fascicular entwinement (p=0.007). Conclusion: Ultrasonographic nerve pathology in neuralgic amyotrophy varies in order of severity from nerve enlargement to constriction to nerve torsion, with treatment moving from conservative to surgical. We postulate that the constriction caused by inflammation is the precursor of torsion and that the development of nerve torsion is facilitated by rotational movements of limbs. This article is protected by copyright. All rights reserved.

Item Type: Article
Subjects: R Medicine / orvostudomány > R1 Medicine (General) / orvostudomány általában
R Medicine / orvostudomány > RC Internal medicine / belgyógyászat > RC0321 Neuroscience. Biological psychiatry. Neuropsychiatry / idegkórtan, neurológia, pszichiátria
SWORD Depositor: MTMT SWORD
Depositing User: MTMT SWORD
Date Deposited: 28 Nov 2016 08:22
Last Modified: 30 Nov 2016 12:11
URI: http://real.mtak.hu/id/eprint/42564

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