{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,11,10]],"date-time":"2026-11-10T19:05:40Z","timestamp":1794337540123,"version":"4.9.0"},"reference-count":26,"publisher":"SAGE Publications","issue":"4","license":[{"start":{"date-parts":[[2021,11,23]],"date-time":"2021-11-23T00:00:00Z","timestamp":1637625600000},"content-version":"unspecified","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"content-domain":{"domain":["journals.sagepub.com"],"crossmark-restriction":true},"short-container-title":["J Hand Surg Eur Vol"],"published-print":{"date-parts":[[2022,4]]},"abstract":"<jats:p>\n                    This study evaluates the usefulness of ultrasonography in diagnosing carpal tunnel syndrome (CTS). The cross-sectional area of the median nerve was measured at the forearm and its entry into the carpal tunnel and compared with clinical symptoms and electroneuromyography. A total of 124 patients were examined, 77 patients with clinically confirmed CTS and 47 controls. A significant correlation was found between the ultrasonography cross-sectional area values at entry points into the carpal tunnel and electroneuromyography. The highest sensitivity (87%) and specificity (91%) for different cut-off values (8.5\u201312.5\u2009mm\n                    <jats:sup>2<\/jats:sup>\n                    ) of the cross-sectional area was for 11.5\u2009mm\n                    <jats:sup>2<\/jats:sup>\n                    . The use of ultrasonography may provide a quick and reliable differential diagnostic tool for the primary diagnosis of CTS in patients with classical symptoms.\n                  <\/jats:p>\n                  <jats:p>Level of evidence: II<\/jats:p>","DOI":"10.1177\/17531934211059808","type":"journal-article","created":{"date-parts":[[2021,11,23]],"date-time":"2021-11-23T07:24:01Z","timestamp":1637652241000},"page":"369-374","update-policy":"https:\/\/doi.org\/10.1177\/sage-journals-update-policy","source":"Crossref","is-referenced-by-count":32,"title":["Ultrasonography for the diagnosis of carpal tunnel syndrome: correlation of clinical symptoms, cross-sectional areas and electroneuromyography"],"prefix":"10.1177","volume":"47","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-0794-7403","authenticated-orcid":false,"given":"Maire","family":"Ratasvuori","sequence":"first","affiliation":[{"name":"Department of Musculoskeletal and Plastic Surgery, T\u00f6\u00f6l\u00f6 Hospital, Helsinki, Finland"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Markus","family":"Sormaala","sequence":"additional","affiliation":[{"name":"Department of Radiology, HUS Helsinki Medical Imaging Center, Helsinki, Finland"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Antti","family":"Kinnunen","sequence":"additional","affiliation":[{"name":"Department of Neurophysiology, HUS, Helsinki, Finland"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Nina","family":"Lindfors","sequence":"additional","affiliation":[{"name":"Department of Musculoskeletal and Plastic Surgery, T\u00f6\u00f6l\u00f6 Hospital, Helsinki, Finland"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"179","published-online":{"date-parts":[[2021,11,23]]},"reference":[{"key":"bibr100-17531934211059808","unstructured":"American Academy of Orthopaedic Surgeons. 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