{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,1,15]],"date-time":"2026-01-15T00:07:57Z","timestamp":1768435677240,"version":"3.49.0"},"reference-count":9,"publisher":"Cambridge University Press (CUP)","issue":"5","license":[{"start":{"date-parts":[[2018,4,18]],"date-time":"2018-04-18T00:00:00Z","timestamp":1524009600000},"content-version":"unspecified","delay-in-days":0,"URL":"https:\/\/www.cambridge.org\/core\/terms"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["J. Laryngol. Otol."],"published-print":{"date-parts":[[2018,5]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:sec id=\"S0022215118000567_sec_a1\"><jats:title>Objective:<\/jats:title><jats:p>Identifying the nerve of origin in head and neck schwannomas is a diagnostic challenge. Surgical management leads to a risk of permanent deficit. Accurate identification of the nerve would improve operative planning and patient counselling.<\/jats:p><\/jats:sec><jats:sec id=\"S0022215118000567_sec_a2\" sec-type=\"methods\"><jats:title>Methods:<\/jats:title><jats:p>Three patients with head and neck schwannomas underwent a diagnostic procedure hypothesised to identify the nerve of origin. The masses were infiltrated with 1 per cent lidocaine solution, and the patients were observed for neurological deficits.<\/jats:p><\/jats:sec><jats:sec id=\"S0022215118000567_sec_a3\" sec-type=\"results\"><jats:title>Results:<\/jats:title><jats:p>All three patients experienced temporary loss of nerve function after lidocaine injection. Facial nerve palsy, voice changes with documented unilateral same-side vocal fold paralysis, and numbness in the distribution of the maxillary nerve (V2), respectively, led to a likely identification of the nerve of origin.<\/jats:p><\/jats:sec><jats:sec id=\"S0022215118000567_sec_a4\" sec-type=\"conclusion\"><jats:title>Conclusion:<\/jats:title><jats:p>Injection of lidocaine into a schwannoma is a safe, in-office procedure that produces a temporary nerve deficit, which may enable accurate identification of the nerve of origin of a schwannoma. Identifying the nerve of origin enhances operative planning and patient counselling.<\/jats:p><\/jats:sec>","DOI":"10.1017\/s0022215118000567","type":"journal-article","created":{"date-parts":[[2018,4,18]],"date-time":"2018-04-18T04:22:37Z","timestamp":1524025357000},"page":"452-456","source":"Crossref","is-referenced-by-count":4,"title":["A novel technique to identify the nerve of origin in head and neck schwannomas"],"prefix":"10.1017","volume":"132","author":[{"given":"H H","family":"Ching","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"A G","family":"Spinner","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"N H","family":"Reeve","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"R C","family":"Wang","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"56","published-online":{"date-parts":[[2018,4,18]]},"reference":[{"key":"S0022215118000567_ref9","doi-asserted-by":"publisher","DOI":"10.1097\/RCT.0000000000000141"},{"key":"S0022215118000567_ref8","first-page":"1","article-title":"Preoperative diagnosis of vagal and sympathetic cervical schwannomas based on radiographic findings","volume":"126","author":"Graffeo","year":"2016","journal-title":"J Neurosurg"},{"key":"S0022215118000567_ref7","doi-asserted-by":"publisher","DOI":"10.1001\/archotol.133.7.662"},{"key":"S0022215118000567_ref6","doi-asserted-by":"publisher","DOI":"10.1097\/00005537-199612000-00021"},{"key":"S0022215118000567_ref5","doi-asserted-by":"publisher","DOI":"10.3349\/ymj.2010.51.6.938"},{"key":"S0022215118000567_ref4","doi-asserted-by":"publisher","DOI":"10.1007\/s00405-014-3156-6"},{"key":"S0022215118000567_ref3","doi-asserted-by":"publisher","DOI":"10.1001\/jamaoto.2016.0113"},{"key":"S0022215118000567_ref2","doi-asserted-by":"publisher","DOI":"10.1288\/00005537-198806000-00014"},{"key":"S0022215118000567_ref1","doi-asserted-by":"publisher","DOI":"10.1016\/j.amjoto.2004.08.011"}],"container-title":["The Journal of Laryngology &amp; Otology"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/www.cambridge.org\/core\/services\/aop-cambridge-core\/content\/view\/S0022215118000567","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2019,4,14]],"date-time":"2019-04-14T20:59:04Z","timestamp":1555275544000},"score":1,"resource":{"primary":{"URL":"https:\/\/www.cambridge.org\/core\/product\/identifier\/S0022215118000567\/type\/journal_article"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2018,4,18]]},"references-count":9,"journal-issue":{"issue":"5","published-print":{"date-parts":[[2018,5]]}},"alternative-id":["S0022215118000567"],"URL":"https:\/\/doi.org\/10.1017\/s0022215118000567","relation":{},"ISSN":["0022-2151","1748-5460"],"issn-type":[{"value":"0022-2151","type":"print"},{"value":"1748-5460","type":"electronic"}],"subject":[],"published":{"date-parts":[[2018,4,18]]}}}