{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,8,18]],"date-time":"2026-08-18T01:51:50Z","timestamp":1787017910805,"version":"build-2736575974"},"reference-count":21,"publisher":"Bioscientifica","issue":"4","license":[{"start":{"date-parts":[[2026,2,16]],"date-time":"2026-02-16T00:00:00Z","timestamp":1771200000000},"content-version":"vor","delay-in-days":3818,"URL":"https:\/\/www.karger.com\/Services\/SiteLicenses"}],"content-domain":{"domain":["journals.bioscientifica.com"],"crossmark-restriction":true},"short-container-title":[],"published-print":{"date-parts":[[2015,12,1]]},"abstract":"<jats:title>Abstract<\/jats:title>\n                  <jats:p>Introduction: A nonrecurrent laryngeal nerve (NRLN) is a rare anatomical variation in which the nerve enters the larynx directly off the cervical vagus nerve. Case Report: We present 2 patients who underwent thyroid surgery for benign disease. Intraoperatively, type 2a and 1 NRLN were identified. Due to the frequent association with a vascular abnormality, an ultrasound and a computed tomography were performed which showed a right aberrant subclavian artery with a retroesophageal course and a common trunk of the common carotids in both patients. Discussion and Conclusion: The presence of an NRLN is a major risk during surgical procedures and the surgeon should be aware of the possibility of its existence. NRLN may be associated with rare vascular anomalies, such as arteria lusoria and a bicarotid trunk. This paper reveals this association in 2 patients for the first time.<\/jats:p>","DOI":"10.1159\/000438751","type":"journal-article","created":{"date-parts":[[2015,9,3]],"date-time":"2015-09-03T17:05:44Z","timestamp":1441299944000},"page":"234-238","update-policy":"https:\/\/doi.org\/10.1530\/crossmarkpolicy-17","source":"Crossref","is-referenced-by-count":15,"title":["Nonrecurrent Laryngeal Nerve and Associated Anatomical Variations: The Art of Prediction"],"prefix":"10.1530","volume":"4","author":[{"given":"Marina","family":"Morais","sequence":"first","affiliation":[{"name":"1Endocrine and Cervical Unit, General Surgery Department, S\u00e3o Jo\u00e3o Medical Center, Porto, Portugal"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Jo\u00e3o","family":"Capela-Costa","sequence":"additional","affiliation":[{"name":"1Endocrine and Cervical Unit, General Surgery Department, S\u00e3o Jo\u00e3o Medical Center, Porto, Portugal"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Lu\u00eds","family":"Matos-Lima","sequence":"additional","affiliation":[{"name":"1Endocrine and Cervical Unit, General Surgery Department, S\u00e3o Jo\u00e3o Medical Center, Porto, Portugal"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Jos\u00e9","family":"Costa-Maia","sequence":"additional","affiliation":[{"name":"1Endocrine and Cervical Unit, General Surgery Department, S\u00e3o Jo\u00e3o Medical Center, Porto, Portugal"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"416","published-online":{"date-parts":[[2015,9,4]]},"reference":[{"key":"2026070712464595800_ref1","doi-asserted-by":"crossref","unstructured":"Khaki AA, et al: An unusual course of the left recurrent laryngeal nerve. 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