{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,13]],"date-time":"2026-10-13T06:52:42Z","timestamp":1791874362957,"version":"4.3.4"},"reference-count":41,"publisher":"Wiley","issue":"4","license":[{"start":{"date-parts":[[2015,8,21]],"date-time":"2015-08-21T00:00:00Z","timestamp":1440115200000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"funder":[{"name":"National Brain Research Program (NAP B) of the Hungarian government","award":["KTIA_NAP_13-2-2014-0012 to Z.A. and A.C."],"award-info":[{"award-number":["KTIA_NAP_13-2-2014-0012 to Z.A. and A.C."]}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Muscle and Nerve"],"published-print":{"date-parts":[[2015,10]]},"abstract":"<jats:title>ABSTRACT<\/jats:title><jats:sec><jats:title>Introduction<\/jats:title><jats:p>The aim of this study was to characterize the ultrasonographic findings on nerves in neuralgic amyotrophy.<\/jats:p><\/jats:sec><jats:sec><jats:title>Methods<\/jats:title><jats:p>Fourteen patients with neuralgic amyotrophy were examined using high\u2010resolution ultrasound.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>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\u2010like appearance); and (4) fascicular entwinement (28%). Torsions were confirmed intraoperatively and were seen on the radial nerve in 85% of patients. A significant correlation was found between no spontaneous recovery of nerve function and constriction\/torsion\/fascicular entwinement (<jats:italic>P<\/jats:italic>\u2009=\u20090.007).<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusion<\/jats:title><jats:p>Ultrasonographic nerve pathology in neuralgic amyotrophy varies in order of severity from nerve enlargement to constriction to nerve torsion, with treatment ranging from conservative to surgical. We postulate that the constriction caused by inflammation is the precursor of torsion and that development of nerve torsion is facilitated by the rotational movements of limbs. <jats:italic>Muscle Nerve<\/jats:italic> 52: 503\u2013511, 2015<\/jats:p><\/jats:sec>","DOI":"10.1002\/mus.24615","type":"journal-article","created":{"date-parts":[[2015,2,20]],"date-time":"2015-02-20T21:36:58Z","timestamp":1424468218000},"page":"503-511","source":"Crossref","is-referenced-by-count":130,"title":["Ultrasonographic identification of nerve pathology in neuralgic amyotrophy: Enlargement, constriction, fascicular entwinement, and torsion"],"prefix":"10.1002","volume":"52","author":[{"given":"Zsuzsanna","family":"Ar\u00e1nyi","sequence":"first","affiliation":[{"name":"Department of Neurology, MTA\u2010SE NAP B Peripheral Nervous System Research Group Semmelweis University Balassa u. 6 Budapest 1083 Hungary"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Anita","family":"Csillik","sequence":"additional","affiliation":[{"name":"Department of Neurology, MTA\u2010SE NAP B Peripheral Nervous System Research Group Semmelweis University Balassa u. 6 Budapest 1083 Hungary"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Katalin","family":"D\u00e9vay","sequence":"additional","affiliation":[{"name":"Department of Traumatology Szt. Istv\u00e1n and L\u00e1szl\u00f3 Hospital Budapest Hungary"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Maja","family":"Rosero","sequence":"additional","affiliation":[{"name":"Department of Traumatology Szt. 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