{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,1,14]],"date-time":"2026-01-14T23:41:50Z","timestamp":1768434110147,"version":"3.49.0"},"reference-count":9,"publisher":"Ovid Technologies (Wolters Kluwer Health)","issue":"C","license":[{"start":{"date-parts":[[2018,1,1]],"date-time":"2018-01-01T00:00:00Z","timestamp":1514764800000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/www.elsevier.com\/tdm\/userlicense\/1.0\/"},{"start":{"date-parts":[[2018,8,7]],"date-time":"2018-08-07T00:00:00Z","timestamp":1533600000000},"content-version":"vor","delay-in-days":218,"URL":"http:\/\/creativecommons.org\/licenses\/by-nc-nd\/4.0\/"}],"content-domain":{"domain":["lww.com","ovid.com"],"crossmark-restriction":true},"short-container-title":[],"published-print":{"date-parts":[[2018,1]]},"abstract":"<jats:title>ABSTRACT<\/jats:title>\n                  <jats:sec>\n                    <jats:title>Introduction:<\/jats:title>\n                    <jats:p>Although vascular lesions are relatively common in head and neck, they are rarely seen in the retropharyngeal space. Frequent symptoms include mass sensation, dysphagia, dyspnea, snoring, and oral bleeding.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Presentation of case:<\/jats:title>\n                    <jats:p>A 31-year-old male was referred from his general practitioner with mass sensation in the throat, increasing snoring, and changing resonance of his voice. Flexible laryngoscopy revealed a large mass extending from the nasopharynx to the hypopharynx, primarily involving retropharyngeal and right parapharyngeal areas, resulting in a significant narrowing. The malformation was resected with good result using a transoral robot-assisted surgical approach. At 1-year follow-up, the patient was symptom free; however, some residual rhinopharyngeal lesion was seen.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Discussion:<\/jats:title>\n                    <jats:p>Management strategies include surgical removal, corticosteroid injection, chemotherapy, and cryotherapy. Different surgical approaches have been used over the years.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusion:<\/jats:title>\n                    <jats:p>Transoral robotic surgery was successful, providing minimally invasive access with good visualization.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Highlights<\/jats:title>\n                  <\/jats:sec>","DOI":"10.1016\/j.ijscr.2018.08.002","type":"journal-article","created":{"date-parts":[[2018,8,9]],"date-time":"2018-08-09T13:11:17Z","timestamp":1533820277000},"page":"71-73","update-policy":"https:\/\/doi.org\/10.1097\/lww.0000000000001000","source":"Crossref","is-referenced-by-count":2,"title":["Retropharyngeal vascular malformation removed using transoral robotic surgery\u2014A case report"],"prefix":"10.1097","volume":"51","author":[{"given":"Simon","family":"Fuglsang","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Thomas","family":"Kj\u00e6rgaard","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"276","reference":[{"key":"R1-19-20260114","first-page":"150197","article-title":"Revised classification of vascular lesions from the International Society for the Study of Vascular Anomalies: radiologic-pathologic update","volume":"2016","author":"Merrow","year":"2014","journal-title":"Radiographics"},{"key":"R3-19-20260114","doi-asserted-by":"crossref","first-page":"295","DOI":"10.1080\/00016480500388950","article-title":"Treatment for extracranial arteriovenous malformations of the head and neck","volume":"126","author":"Jeong","year":"2006","journal-title":"Acta Otolaryngol"},{"key":"R4-19-20260114","first-page":"886","article-title":"Vascular anomalies of the head and neck in children","volume":"6","author":"Kate","year":"2015","journal-title":"Quant. 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