{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,11,5]],"date-time":"2026-11-05T03:21:19Z","timestamp":1793848879183,"version":"4.6.1"},"reference-count":12,"publisher":"SAGE Publications","issue":"6","license":[{"start":{"date-parts":[[2018,7,3]],"date-time":"2018-07-03T00:00:00Z","timestamp":1530576000000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/journals.sagepub.com\/page\/policies\/text-and-data-mining-license"}],"content-domain":{"domain":["journals.sagepub.com"],"crossmark-restriction":true},"short-container-title":["Interv Neuroradiol"],"published-print":{"date-parts":[[2018,12]]},"abstract":"<jats:sec>\n                    <jats:title>Introduction<\/jats:title>\n                    <jats:p>Duplication of the vertebral artery (VA) is a rare vascular variant, with less than 50 reported cases in the literature.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Case series<\/jats:title>\n                    <jats:p>We present four cases of VA duplication and discuss the imaging findings, which highlight the rarely seen VA duplication.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Discussion<\/jats:title>\n                    <jats:p>VA duplication is generally considered to be an incidental finding. The VA is formed from the fusion of the longitudinal anastomoses that link the cervical intersegmental arteries, during the 32\u201340-day stage. The duplication of the VA is a clinically relevant finding for planning of head and neck surgery and neuro-interventional procedures.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1177\/1591019918783973","type":"journal-article","created":{"date-parts":[[2018,7,4]],"date-time":"2018-07-04T01:34:41Z","timestamp":1530668081000},"page":"596-600","update-policy":"https:\/\/doi.org\/10.1177\/sage-journals-update-policy","source":"Crossref","is-referenced-by-count":8,"title":["Duplication of the vertebral artery: A series of four cases"],"prefix":"10.1177","volume":"24","author":[{"given":"Michael","family":"Kritikos","sequence":"first","affiliation":[{"name":"Department of Neurosurgery, University of Pennsylvania, Philadelphia, USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Nikhil","family":"Sharma","sequence":"additional","affiliation":[{"name":"Department of Neurosurgery, University of Pennsylvania, Philadelphia, USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Neda","family":"Sedora-Roman","sequence":"additional","affiliation":[{"name":"Department of Radiology, University of Pennsylvania, Philadelphia, USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Omar","family":"Choudhri","sequence":"additional","affiliation":[{"name":"Department of Neurosurgery, University of Pennsylvania, Philadelphia, USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Bryan","family":"Pukenas","sequence":"additional","affiliation":[{"name":"Department of Radiology, University of Pennsylvania, Philadelphia, USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Robert","family":"Hurst","sequence":"additional","affiliation":[{"name":"Department of Radiology, University of Pennsylvania, Philadelphia, USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"David","family":"Kung","sequence":"additional","affiliation":[{"name":"Department of Neurosurgery, University of Pennsylvania, Philadelphia, USA"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"179","published-online":{"date-parts":[[2018,7,3]]},"reference":[{"key":"bibr1-1591019918783973","doi-asserted-by":"publisher","DOI":"10.5469\/neuroint.2016.11.1.50"},{"key":"bibr2-1591019918783973","doi-asserted-by":"publisher","DOI":"10.12659\/MSM.897503"},{"key":"bibr3-1591019918783973","doi-asserted-by":"publisher","DOI":"10.3340\/jkns.2017.0202.007"},{"issue":"6","key":"bibr4-1591019918783973","first-page":"1304","volume":"27","author":"Ionete C","year":"2006","journal-title":"AJNR Am J Neuroradiol"},{"key":"bibr5-1591019918783973","doi-asserted-by":"publisher","DOI":"10.1177\/159101990401000404"},{"key":"bibr6-1591019918783973","doi-asserted-by":"publisher","DOI":"10.1111\/j.1552-6569.2007.00182.x"},{"key":"bibr7-1591019918783973","doi-asserted-by":"publisher","DOI":"10.1007\/s00062-012-0171-0"},{"key":"bibr8-1591019918783973","doi-asserted-by":"publisher","DOI":"10.1177\/153857449703100113"},{"key":"bibr9-1591019918783973","doi-asserted-by":"publisher","DOI":"10.1016\/j.jns.2011.10.030"},{"key":"bibr10-1591019918783973","doi-asserted-by":"publisher","DOI":"10.1259\/bjr\/26005109"},{"key":"bibr11-1591019918783973","doi-asserted-by":"publisher","DOI":"10.1016\/j.spinee.2014.02.023"},{"key":"bibr12-1591019918783973","doi-asserted-by":"publisher","DOI":"10.1002\/ca.22231"}],"container-title":["Interventional Neuroradiology"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/journals.sagepub.com\/doi\/pdf\/10.1177\/1591019918783973","content-type":"application\/pdf","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/journals.sagepub.com\/doi\/full-xml\/10.1177\/1591019918783973","content-type":"application\/xml","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/journals.sagepub.com\/doi\/pdf\/10.1177\/1591019918783973","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2026,4,29]],"date-time":"2026-04-29T10:58:05Z","timestamp":1777460285000},"score":1,"resource":{"primary":{"URL":"https:\/\/journals.sagepub.com\/doi\/10.1177\/1591019918783973"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2018,7,3]]},"references-count":12,"journal-issue":{"issue":"6","published-print":{"date-parts":[[2018,12]]}},"alternative-id":["10.1177\/1591019918783973"],"URL":"https:\/\/doi.org\/10.1177\/1591019918783973","relation":{},"ISSN":["1591-0199","2385-2011"],"issn-type":[{"value":"1591-0199","type":"print"},{"value":"2385-2011","type":"electronic"}],"subject":[],"published":{"date-parts":[[2018,7,3]]}}}